FIITJEE PET IX (REG_1 ST YEAR)

Transcription

1 FIITJEE PET IX (REG_1 ST YEAR) MAINS DATE: Time: 3 hours Maximum Marks: 360 INSTRUCTIONS: Instructions to the Candidates 1. This Test Booklet consists of 90 questions. Use Blue/Black ball Point Pen only for writing particulars and bubbling of OMR.. For each correct answer 4 Marks will awarded and for each wrong answer 1 Mark will be deducted. 3. Attempt all questions. 4. In case you have not darkened any bubble you will be awarded 0 mark for that question. 5. Use of calculator/logarithmic table is not permitted. Don t write / mark your answers in this question booklet. If you mark the answers in question booklet, you will not be allowed to continue the exam. NAME: ENROLLMENT NO.: FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

2 PET-IX (1 ST YEAR)-SET-A-019-MPC- 1. The radius of the circle passing through the centre of incircle of ABC and through the end points of BC is given by (A) a cos A (B) a sec A (C) a A sin A (D) asec. In the ABC, A = 90 and c, sin B, cos B are rational numbers, then (A) a is irrational (B) b is rational (C) b is irrational (D) none of these 3. In the ABC, if r 1 > r > r 3, then (A) a > b > c (B) a < b < c (C) a > b and b < c (D) a < b and b > c 4. In a ABC, a b c is (A) always positive (C) positive only when c is the smallest side (B) always negative (D) positive only when a = b 5. If in a ABC, c = 3b and C B = 90, then the B equals (The symbols have their usual meanings): (A) 3 (B) 3 (C) 3 (D) In a right angled ABC right angled at C, bisector of angle C divides AB in the ratio p : q. If A B cos = k, then p : q is (A) 1 k (B) k 1 1 (C) (D) k 1 1 k 1 k 1 k 7. If in a ABC, a cos A = b + c, then (A) A < (B) A (C) A > 4 4 (D) A = 8. In a ABC, I is the incentre. The ratio IA : IB : IC is equal to A B C A B C (A) cosec : cos ec : cosec (B) sin : sin : sin A B C (C) sec : sec : sec (D) none of these Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

3 9. Two angles of a triangle are and 6 4 triangle (A) 3 1 cm (B), and the length of the included side is cm (C) 3 1 cm PET-IX (1 ST YEAR)-SET-A-019-MPC-3 (D) none of these 10. If the sides of a triangle are 3, 5, 6, then the ratio r : R will be (A) 8 : 5 (B) 7 : 5 (C) 16 : 45 (D) 4 : 5 cm. The area of 11. In a ABC, B = 90, AC = h and length of the perpendicular from B to AC is p such that h = 4p. If AB < BC, then C has the measure: (A) 5 (B) (C) (D) none of these b c c a a b 1. With usual notations, in a ABC, = asec C bsec C c sec C (A) 1 (B) 0 (C) abc (D) none of these 13. In a ABC, a = b and A = 3B, then angle A is (A) 90 (B) 60 (C) 30 (D) none of these 14. A B C cos cos cos = r (A) (B) R r (C) R r (D) none of these R sinbad 15. In a ABC, B = and C = and D divides BC internally in the ratio 1 : 3. Then 3 4 sincad equals 1 1 (A) (B) (C) (D) The vertices of ABC are A(, 1), B(7, 5) and C(5, 9). The length of median AD is (A) 3 (B) 4 (C) 5 (D) none of these 17. Co-ordinates of two points A and B are (3, 4) and (5, ) respectively. If PA = PB area of PAB = 10, then the co-ordinates of P are (A) (1, 0) (B) (7, ) (C) (13, 4) (D) none of these Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

4 PET-IX (1 ST YEAR)-SET-A-019-MPC If the centroid of a is origin and two of its vertices are (3, 1) and (4, 5), then the area of is (A) 19 (B) 19 6 (C) 57 (D) The vertices B and C of ABC lie on the line 3y = 4x and x-axis respectively and BC passes through the point, 3 3. If ABOC is a rhombus, O being origin, the equation of line BC is (A) x y = (B) x y = (C) x + y = (D) none of these 0. Two sides of a parallelogram are 4x + 5y = 0 and 7x + y = 0. If one of its diagonal is 11x + 7y = 9, then the equation of the other diagonal is (A) y = 3x (B) y = x (C) y = x (D) y = 4x 1. The angle made with x-axis by a line drawn through (1, ), so that it intersects x + y = 4 at a distance of from (1, ) is 3 (A) 105 (B) 75 (C) 60 (D) 90. The vertices of ABC are A(5, ), B(6, 5), C(, 3). The equation of bisector of BAC of ABC is (A) x + y + 1 = 0 (B) x + y 1 = 0 (C) x + y + 1 = 0 (D) x + y 1 = 0 3. A rectangle has the ends of one of its diagonals as (1, ) and (5, 5). Its other diagonal is x = 3. The other two vertices of the rectangle are (A) (3, 1), (3, 6) (B) (3, 1), (3, 6) (C) (3, 1), (3, 5) (D) (3, 0), (3, ) 4. Set of values of for which the point (, ) lies in the interior of whose sides are x + y = 1, y = x + 1 and y = 1 is (A) (, 1) 1 13 (B), 1 (C) ( 1, 1) (D) , 5. Two sides of a rhombus ABCD are parallel to the lines y x = 0 and y 7x = 3. If its diagonals intersect at (1, ) and the vertex A lies on y-axis and not on x-axis, then the possible co-ordinates of A are 5 (A) (0, 0) (B) 0, (C) (0, 3) (D) 0, 5 6. The centroid and circumcentre of a are (3, 3) and (6, ) respectively, then the orthocenter is (A) ( 3, 5) (B) ( 4, ) (C) (6, ) (D) (3, 3) Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

5 PET-IX (1 ST YEAR)-SET-A-019-MPC-5 7. If d(x, y) is defined as d(x, y) = maximum of x or y, then the locus of point (x, y) where d(x, y) = 1 is (A) a circle (B) a triangle (C) a straight line (D) a square 8. If G is the centroid of the triangle ABC, then GA GB GC (A) 0 (B) 1 (C) 1 (D) none of these 9. In a regular hexagon ABCEDF, AB AC AD AE AF kad, where k is equal to (A) 1 (B) (C) 3 (D) none of these 30. ABCD is a parallelogram. If L and M are the middle points of BC and CD, then AL AM = (A) 1 AC (B) 3 AC (C) AC (D) none of these 31. The momentum of a particle is given by 3t t 7 kg- m/ s then the resulting force acting on the particle at t 1 is (A) 6 N (B) 8 N (C) 10 N (D) 1 N 3. A force time graph for the motion of a body is shown in the figure. The change in the momentum of the body between zero and 10 sec. is (A) zero (B) 4kg m/s (C)5 kg m/s (D) 3 kg m/s y 1 F (N) 8 10 t(s) x A cricket ball of mass 150 gm is moving with a velocity of 1 m/sec and is hit by a bat so that the ball is turned back with a velocity of 0 m/sec. The force of blow acts on the ball for 0.01 sec, then the average force exerted by the bat on the ball is (A) 480 N (B) 1. N (C) 10 N (D) 4.8 N 34. A force vector applied on a mass is represented a F 6 î 8 ĵ 10 kˆ and accelerates with 1 m/s. What will be the mass of the body? (A) 10 kg (B) 10 kg (C) 10 kg (D) 0 kg Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

6 PET-IX (1 ST YEAR)-SET-A-019-MPC A particle is projected from a trolley car with a velocity v. If the trolley car moves with an acceleration a towards right, which of the following remain unchanged relative to both ground and trolley car? (A) Time of flight (B) Horizontal velocity (C) Range (D) Maximum range 36. A man moving with a speed v down the inclined plane meets the rain horizontally with same speed. The actual velocity of rain is (A) v (B) 3 v (C) v (D) 3 v 37. Two particles A and B are projected simultaneously in the directions shown with velocities V A = 0 m/s and V B = 10 m/s respectively. If they collide in air after 0.5 s, then the angle and distance x respectively are: (A) 45 and 5 m (B) 30 and 5 m (C) 45 and 5 3 m (D) 30 and 5 3 m 38. A very broad elevator is going up vertically with a constant acceleration of m/sec. At the instant, when its velocity is 4 m/sec, a ball is projected from the floor of the lift with a speed of 10 m/sec relative to the floor at an angle of elevation of 30º. The time taken by the ball to return the floor is (A) 5/6 sec (B) 3/ sec (C) 5/4 sec (D) 4/5 sec 39. An airplane flies northward from town A to town B and then back again. There is a steady wind blowing towards the north so that for the first stage of the trip, the airplane is flying the same direction as the wind and for the return trip of the journey, the airplane is flying directly into the wind. The total trip T w, as compared to the total trip time in the absence of any wind T 0, then (A) T w = T 0 (B) T w > T 0 (C) T w < T 0 (D) T w = T Assertion: When brakes are applied in a moving bus, the passengers inside fall forward. Reason: This is because bus applies force on them in forward direction (A) Assertion is true, Reason is true and R is correct explanation of A (B) Assertion is true and Reason is false (C) Assertion is false and Reason is true (D) Both Assertion and Reason are false Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

7 PET-IX (1 ST YEAR)-SET-A-019-MPC Assertion: When an object is released from some height, it falls down. Reason: This is because the force exerted by the earth on object is more then the force exerted by object on earth. (A) Assertion is true, Reason is true and R is correct explanation of A (B) Assertion is true and Reason is false (C) Assertion is false and Reason is true (D) Both Assertion and Reason are false 4. A ball is projected from point A with velocity 10 ms 1 perpendicular to the inclined plane as shown in figure. Range of the ball on the inclined plane is (A) 40 3 m (B) 0 3 m (C) 1 3 m (D) 60 3 m 43. A man can swim in still water with a speed of ms 1. If he wants to cross a river of water current speed 3 ms 1 along shortest possible path, then in which direction should he swim? (A) At an angle 10 0 to the water current (C) At an angle 90 0 to the water current (B) At an angle to the water current (D) None of these 44. A policeman moving on a highway with a speed of 30 kmh 1 fires a bullet at thief s car speeding away in the same direction with a speed of 19 kmh 1. If the muzzle speed of the bullet is 150 ms 1, with what speed does the bullet hit the thief s car? (A) 10 ms 1 (B) 90 ms 1 (C) 15 ms 1 (D) 105 ms A man swimming downstream overcomes a float at a point M. After traveling distance D he turned back and passed the float at a distance of D/ from the point M, then the ratio of speed of swimmer with respect to still water to the speed of the river will be (A) 1 (B) (C) 3 (D) Rain appears to fall vertically to a man walking at 3 kmh 1 but when he changes his speed to double, the rain appears to fall at 45 0 with vertical. Study the following statements and find which of them are correct. i. Velocity of rain is 3 kmh ii. The angle of fall of rain (with vertical) is tan 1 1 iii. The angle of fall of rain (with vertical) is sin iv. Velocity of rain is 3 kmh 1 (A) Statements (i) and (ii) are correct (B) Statements (i) and (iii) are correct (C) Statements (iii) and (iv) are correct (D) Statements (ii) and (iv) are correct Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

8 PET-IX (1 ST YEAR)-SET-A-019-MPC When a man moves down the inclined plane with a constant speed 5 ms 1 which makes an angle of 37 0 with the horizontal, he finds that the rain is falling vertically downward. When he moves up the 1 7 same inclined plane with the same speed, he finds that the rain makes an angle tan 8 with the horizontal. The speed of the rain is (A) ms (B) 1 3 ms (C) 5 ms 1 (D) 73 ms In the following velocity-time graph of a body, the distance and displacement travelled by the body in 5 second in meters will be (A) 75,105 (B) 105, 75 (C) 40, 70 (D) 90, The displacement of a particle as a function of time is shown in figure. The figure indicates that (A) the particle starts with a certain velocity, but the motion is retarded and finally the particle stops (B) the velocity of particle is constant throughout (C) the acceleration of the particle is constant throughout (D) the particle starts with a constant velocity, the motion is accelerated and finally the particle moves with another constant velocity 50. A car accelerates from rest at a constant rate for some time after which it decelerates at a constant rate to come to rest. The maximum velocity v reached if total time taken (t seconds) is given by 51. Raindrops are hitting the back of a man walking at a speed of 5 kmh 1. If he now starts running in the same direction with a constant acceleration, the magnitude of the velocity of the rain with respect to him will (A) Gradually increase (B) Gradually decrease (C) First decrease then increase (D) First increase then decrease 5. Two trains are moving with velocities v 1 = 10 ms 1 and v = 0 ms 1 on the same track in opposite directions. After the application of brakes if their retarding rates are a 1 = ms and a = 1 ms respectively, then the minimum distance of separation between the trains to avoid collision is (A) 150 m (B) 5 m (C) 450 m (D) 300 m Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

9 PET-IX (1 ST YEAR)-SET-A-019-MPC A river is flowing from west to east at speed of 5 m/min. A man on the south bank of the river, capable of swimming at 10 m/min in still water, wants to swim across the river in the shortest time. Finally he will move in a direction. (A) tan 1 () E of N (B) tan 1 () N of E (C) 30 0 E of N (D) 60 0 E of N 54. Two particles are simultaneously thrown from the roofs of two high buildings as shown in figure. Their velocities are v A = ms 1 and v B = 14 ms 1 respectively. Calculate the minimum distance (in metre) between the particles in the process of their motion. (A) 5 (B) 6 (C) 5 7 (D) A block of mass 10 kg is suspended through two light spring balances as shown in figure (springs are of negligible mass) (A) Both the scales will read 10 kg (B) Both the scales will read 5 kg (C) The upper scale will read 10kg and the lower zero (D) The readings may be anything but their sum will be 10kg A bullet of mass kg moving with a speed of 00ms enters a heavy wooden block and is stopped after a distance of 50cm. What is the average force exerted by the block on the bullet? (A) N (B) 4 N (C) 0 N (D) 00 N Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

10 PET-IX (1 ST YEAR)-SET-A-019-MPC Airplane A and B are flying with constant velocity in the same vertical plane at angle 0 30 and 0 60 with respect to the horizontal respectively as shown in the figure. The speed of A is ms. At time t= 0 s, an observer in A finds B at a distance of 1000 m. This observer sees B moving with a constant velocity perpendicular to the line of motion of A. If at t t0, A just escapes being hit by B, t 0 in seconds is (A) 5 s (B) 10 3s (C) 10 s 3 (D) 10 s 58. A large heavy box is sliding without friction down a smooth inclined plane of inclination. From a point P on the bottom of the box a particle is projected inside the box, with speed u (relative to box) at angle with the bottom of the box. If horizontal displacement of the particle with respect to ground is zero. Find speed of the box w.r.t the ground at the moment when particles was projected (A) ucos (B) usin sin (C) ucos cos (D) usin cos 59. Number of forces acting on the smooth movable wedge m 3 (including pulley) (A) 3 (B) 4 (C) 5 (D) 6 m 1 m m 3 Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

11 PET-IX (1 ST YEAR)-SET-A-019-MPC m 1 & m are two smooth triangle shaped wedges placed on a smooth floor. Identify the correct free body diagram for m 1 ( Nb and N g are normal reaction exerted on m 1 by m and ground respectively) m 1 m N g N g N b m 1 g m g N b m 1 g m g (A) (B) N g N g N b N b m 1 g m 1 g (C) (D) Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

12 PET-IX (1 ST YEAR)-SET-A-019-MPC Which can act as oxidant? (A) H O (B) H S (C) NH 3 (D) None of these 6. Which can act only as oxidizing agent? (A) Oxygen (B) Fluorine (C) Iodine (D) H O 63. The compound that can work both as an oxidizing and reducing agent is : (A) KMnO 4 (B) H O (C) Fe (SO 4 ) 3 (D) K Cr O Which acts both as oxidizing and reducing agent is : (A) H SO 4 (B) H 3 PO 4 (C) HNO (D) HClO Which is not an oxidising agent? (A) KClO 3 (B) O (C) C 6 H 1 O 6 (D) K Cr O Which substance serves as a reducing agent in the following reactions? 3 14H Cr O 3Ni Cr 7H O 3Ni ; 7 (A) H O (B) Ni (C) H + (D) CrO Which reaction indicates the oxidising behaviour of H SO 4? (A) PCl 5 + H SO 4 POCl 3 + HCl + SO Cl (B) NaOH + H SO 4 Na SO 4 + H O (C) NaCl + H SO 4 NaHSO 4 + HCl (D) HI + H SO 4 I + SO + H O 68. In acid solutions, the reaction MnO (A) oxidation by 3 electrons (C) oxidation by 5 electrons 1 4 Mn involves : (B) reduction by 3 electrons (D) reduction by 5 electrons 69. In the following reaction, the spectator ion is : Zn + H + + Cl zn + + Cl + H, (A) Cl (B) Zn + (C) H + (D) all of these 70. For the redox reaction, MnO4 CO4 H Mn CO HO, the correct coefficients of the reactants for the balanced reaction are : MnO 4 CO 4 H + (A) 5 16 (B) 16 5 (C) 5 16 (D) 16 5 Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

13 71. The value of n in, MnO4 8H ne Mn 4HO is : (A) 5 (B) 4 (C) 3 (D) 7. The normality of 0.3 M H 3 PO 3 is : (A) 0.1 (B) 0.9 (C) 0.3 (D) 0.6 PET-IX (1 ST YEAR)-SET-A-019-MPC g of a metal on treatment with acid gave 11 ml of hydrogen at NTP. The equivalent weight of metal is : (A) 58 (B) 3 (C) 11. (D) The eq. mass of Na S O 3 as reductant in the reaction, NaSO3 HO Cl Na SO4 HCl S (A) M 1 (B) M (C) M 6 (D) M The eq. mass of iodine in, I SO3 I S4O6 is (A) M (B) M/ (C) M/4 (D) None of these 76. In the reaction, SO3 I S 4O6 I ; The eq. mass of Na S O 3 is equal to its : (A) M (B) M/ (C) x M (D) M /6 77. What is EO in the following reaction, 3 O 3 3O (A) 16 (B) 48 (C) 3 (D) What is the equivalent mass of KIO 3 in the given reaction? KIO 3 + KI + 6Hcl 3ICl + 3H O + 3KCl (A) 14 (B) 48 (C) 107 (D) NaClO solution reacts with H SO 4 as, NaClO + H SO 3 NaCl + H SO 4 A solution of NaClO used in the above reaction contained 15g of NaClO per litre. The normality of the solution would be : (A) 0.40 (B) 0.0 (C) 0.60 (D) The number of mole of oxalate ions oxidized by one mole of MnO 4 is : (A) 1/5 (B) /5 (C) 5/ (D) 5 Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

14 PET-IX (1 ST YEAR)-SET-A-019-MPC What mass of MnO is reduced by 35 ml of 0.16 N Oxalic acid in acid solution? The skeleton equation is MnO H HCO4 CO HO Mn (A) 8.7g (B) 0.4g (C) 0.84g (D) 43.5g 8. In presence of HCl, metallic tin (Sn) is oxidized into stannic chloride with the help of K Cr O 7. How many ml of 0.1 N K Cr O 7 will be required? (A) 6.98 (B) (C) (D) Which is the reducing agent in the reaction? 8H 4NO3 6Cl SnsSnCl 6 4NO 4HO (A) Sn(s) (B) Cl (C) NO 3 (D) NO (g) 84. In the reaction, 3 CrO7 14H 6I Cr 7HO 3I Which element is reduced? (A) I (B) O (C) H (D) Cr 85. A compound of Xe and F is found to have 53.3% Xe. Oxidation number of Xe in this compound is : (A) 4 (B) 0 (C) +4 (D) A compound contains atoms X, Y, Z. The oxidation number of X is +, Y is +5 and Z is. The possible formula of the compound is : (A) XY 1 Z (B) Y (XZ 3 ) (C) X 3 (YZ 4 ) (D) X 3 (Y 4 Z) 87. When KMnO 4 is reduced with oxalic acid in acid medium, the oxidatioin number of Mn changes from : (A) + 7 to +4 (B) +6 to +4 (C) +7 to + (D) +4 to How many electrons are transferred from reductant to oxidant in the following redox process? AsS3 HNO3 H 3AsO4 HSO4 NO (A) (B) 4 (C) 4 (D) In CaOCl, oxidation number of Cl is : (A) 1 (B) +1 (C) both (a) and (b) (D) none of these 90. When the following redox reaction is balanced using simplest natural numbers, the stoichiometric coefficient of H O will be : 3 4 Cr OH IO OH I CrO H O (A) (B) 3 (C) 5 (D) It is impossible to balance this reaction Space for rough work FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

15 PET-IX (1 ST YEAR)-SET-A-019-MPC-15 FIITJEE PET IX (REG_1 ST YEAR) MATHEMATICS MAINS_SET A_ANSWERS DATE: B. B 3. A 4. A 5. D 6. B 7. C 8. A 9. C 10. C 11. C 1. B 13. A 14. D 15. C 16. C 17. A 18. C 19. C 0. B 1. B. D 3. B 4. B 5. B 6. A 7. D 8. A 9. C 30. B PHYSICS 31. B 3. D 33. A 34. A 35. A 36. BONUS 37. D 38. A 39. B 40. B 41. B 4. BONUS 43. B 44. D 45. C 46. C 47. B 48. B 49. A 50. D 51. C 5. B 53. B 54. B 55. A 56. D 57. D 58. C 59. D 60. D CHEMISTRY 61. A 6. B 63. B 64. C 65. C 66. B 67. D 68. D 69. A 70. A 71. A 7. D 73. B 74. D 75. B 76. A 77. D 78. D 79. A 80. C 81. B 8. BONUS 83. A 84. D 85. D 86. C 87. C 88. D 89. C 90. A FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

16 PET-IX (1 ST YEAR)-SET-A-019-MPC-16 FIITJEE PET IX (REG_1 ST YEAR) MATHEMATICS MAINS_SET B_ANSWERS DATE: C. A 3. C 4. C 5. B 6. B 7. D 8. B 9. B 10. B 11. A 1. D 13. A 14. C 15. B 16. B 17. B 18. A 19. A 0. D 1. B. C 3. A 4. C 5. C 6. C 7. B 8. A 9. D 30. C PHYSICS 31. C 3. B 33. B 34. A 35. D 36. C 37. B 38. B 39. B 40. A 41. D 4. D 43. C 44. D 45. D 46. B 47. D 48. A 49. A 50. A 51. BONUS 5. D 53. A 54. B 55. B 56. B 57. BONUS 58. B 59. D 60. C CHEMISTRY 61. A 6. D 63. D 64. A 65. C 66. B 67. BONUS 68. A 69. D 70. D 71. C 7. C 73. D 74. C 75. A 76. A 77. B 78. B 79. C 80. C 81. B 8. D 83. D 84. A 85. A 86. A 87. D 88. B 89. D 90. B FIITJEE (Hyderabad Classes) Limited /B, Saifabad, (Opp. Secretariat) Hyderabad Ph: Fax: FIITJEE Limited. 97, Plot No.1, (Opp. Patel Kunta) Huda Park, Vijaynagar Colony, Kukatpally, Hyderabad Ph : FIITJEE Limited. Plot No. 39A, (Opp. Sashi Hospital), Gaddiannaram, Dilsukhnagar, Hyderabad, Ph:

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