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5th May 2016, 03:28 PM
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Join Date: Aug 2012
Re: Placement Papers of Aakash Institute

As you are asking about the sample placement paper of aakash institute here I am providing you the same please have a look on that

1. (a) Is it possible that no transfer of energy may take place even when a force is applied to a body?
Explain through an example.

(b) When does a body have mechanical equilibrium?
(c) A printed page is kept pressed by a glass cube (μ = 1.5) of edge 6.0 cm. By what amount will the printed letters appear to be shifted when viewed from the top?

(d) Distinguish between heat and temperature.

2. (a) Find the resistance of a household appliance rated 100 W, 110 V.

(b) What is the international convention of colour coding in a cable wire? (Give new idea only)

(c) What do you mean by Earthing?

(d) State Fleming's Right Hand Rule for electromagnetic induction.

(e) State any two uses of the cathode ray tube.

3. (a) A pump is used to lift 1000 kg of water from a depth of 80 m in 10 s. Calculate : [4]

(i) Work done by the pump.

(ii) Power at which the pump works. [Take g = 10 m/s2]

(b) Lead bullet of mass 20 g, travelling with a velocity of 250 ms–1, comes to rest after penetrating 40 cm in a target at rest. Find the resistive force offered by the target.

(c) Pulley system has a velocity ratio 3 and an efficiency of 80%. Calculate the mechanical advantage of the system and the value of the effort required to lift a load of 100 N.

4. (a) (i) State Snell's law of refraction.

(ii) Draw the ray diagram for the image formation by a convex lens, when the object is placed at focus of the convex lens.

(b) Define the term Angle of Deviation. On what factors does the angle of deviation depend?

(c) (i) Give one use each of ultraviolet radiation, infra-red radiation and gamma rays.

(ii) What are microwaves?

15. The element which is present in higher proportion
in body than any other element is
(1) K (2) Na
(3) Ca (4) Zn

16. 0.56 g of a gas occupies 280 cm3 at N.T.P., then
its molecular mass is
(1) 4.8 (2) 44.8
(3) 2 (4) 22.4
17. 2 moles of H2 burn to form 2 moles of H2O. The

mass of oxygen used up will be
(1) 16 g (2) 32 g
(3) 2 moles (4) 4 moles

18. Separation of ethyl alcohol and water from mixture
is done by
(1) Sublimation (2) Separating funnel
(3) Chromatography (4) Fractional distillation
19. On cooling the SO2 gas
(1) Volume increases
(2) Intermolecular forces between molecules
increase
(3) Intermolecular distance between molecules
increases
(4) Rate of diffusion of SO2 molecules increases

19. xPb(NO3)2 ⎯→ xPbO + yNO2 + zO2
The values of x, y and z respectively are
(1) 2, 2, 4 (2) 2, 4, 1
(3) 2, 4, 2 (4) 1, 2, 1
20. If a solution turns pH paper yellow, then the pH range
of the solution is
(1) 1 - 2 (2) 5 - 6
(3) 8 - 9 (4) 7 - 8
21. The cork cells become impervious to water, gases
and nutrients due to the deposition of
(1) Lignin (2) Suberin
(3) Pectin (4) Oxalic acid
22. A cell organelle ‘X’, responsible for synthesis of
proteins is produced by a structure ‘Y’, which is
located inside another organelle ‘Z’. Identify X, Y
and Z.
(1) X-RER, Y-Nucleolus, Z-Mitochondria
(2) X-RER, Y-Golgi apparatus, Z-Nucleus
(3) X-Nucleolus, Y-Nucleus, Z-RER
(4) X-Ribosome, Y-Nucleolus, Z-Nucleus
23. Which of the following elements is necessary to
prevent goitre?
(1) Calcium (2) Iron
(3) Iodine (4) Copper
24. Which of the following is incorrect?
(1) Vena cava carries deoxygenated blood
(2) Nephron is the basic filtration unit of kidneys
(3) Bile juice is stored in the gall bladder
(4) Both kidneys are present in the pelvic region at
the same height
25. The initiating step in photosynthesis is the
(1) Formation of ATP and NADPH
(2) Reduction of carbon dioxide to glucose
(3) Photolysis of water
(4) Absorption of light energy by chlorophyll
26. Stomatal pores open, when the guard cells
(1) Swell up due to endosmosis
(2) Shrink due to exosmosis
(3) Swell up due to exosmosis
(4) Shrink due to endosmosis
27. The very first enzyme to act on starch, present in
food, is secreted by
(1) Pancreas (2) Gastric glands
(3) Small intestine (4) Salivary glands
28. Sphygmomanometer reading of a patient as mentioned
by a doctor is 140/60. 140 and 60 represent
(1) Normal systolic and diastolic pressure
(2) Abnormal systolic and diastolic pressure
(3) Normal systolic and abnormal diastolic pressure
(4) Abnormal systolic and normal diastolic pressure
29. The contraceptive device copper-T, is placed in the
(1) Vagina (2) Uterus
(3) Ovary (4) Fallopian tube
30. Which part of the brain is damaged if a person is
unable to maintain the balance and posture of his
body?
(1) Cerebrum (2) Medulla
(3) Cerebellum (4) Pons
Space for Rough Work
Aakash National Talent Hunt Exam. 2012 Sample Paper
4
SECTION - B : MATHEMATICS

32. Mohit textiles marks their clothes up by 60%
subsequently offering a discount of 30%. The net
profit made by them after offering the discount is
(1) 7.5% (2) 10%
(3) 12% (4) 15%
33. If (1 + cotA – cosecA) (1 + tanA + secA) = 2x2,
then the possible value of x is
(1) 0 (2)
1
2
(3) 1 (4) 2
34. In an equilateral triangle ABC, D is a point on side
BC such that 1
4
. The ratio of AD2 and AB2BD BC
is
(1) 11 : 16 (2) 7 : 9
(3) 9 : 16 (4) 13 : 16
35. The number of different positive integers lying
between 1015 and 1016, the sum of whose digits is
equal to 2 is
(1) 16 (2) 24
(3) 36 (4) 64
36. For getting a ‘less than’ Ogive, we plot the graph of
(1) Cumulative frequency with upper limits
(2) Cumulative frequency with lower limits
(3) Cumulative frequency with classmark
(4) Cumulative frequency with range
37. What percent of 15 is 15 percent of 1?
(1) 0.01 (2) 0.001
(3) 0.0001 (4) 1
38. The number of integral divisors of 720 is
(1) 15 (2) 20
(3) 25 (4) 30
39. The average weight of Anil, Mohan and Sohan is
45 kg. If the average weight of Anil and Mohan is
40 kg and that of Mohan and Sohan is 43 kg, then
the weight of Mohan is
(1) 31 kg (2) 34 kg
(3) 35 kg (4) 38 kg
40. In an acute angled ΔABC, if sin(A + B – C) =
3
2
,
then angle C is equal to
(1) 30° (2) 45°
(3) 60° (4) 90°
41. If a five digit number is written as pqrst, then the
difference of pqrst and prsqt will always be divisible
by
(1) 9 (2) 18
(3) 45 (4) All of these
42. HCF of three numbers taken pairwise is 2. If the
LCM of the three numbers is 59976, then the product
of the three numbers taken together is
(1) 2592 (2) 46656
(3) 31426 (4) 239904
43. The average of n non-zero numbers is zero. Out of
them at least, how many numbers may be greater
than zero?
(1) 0 (2) 1
(3) n/2 (4) n – 1

For more information please download given sample placement paper


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Aditya Plaza, 3rd Floor, Sachivalaya Marg, Bhouma Nagar, Bhubaneshwar, Odisha 751001 ‎
0674 394 5454 ‎ •
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