41. Wisdom teeth normally grow during the age of-
A. 12-15 years
B. 17-25 years
C. 34-40 years
D. 40-45 years
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42. A person will have brown eyes, blue eyes or black eyes depend upon the particular pigment present in the-
A. Pupil
B. Cornea
C. Iris
D. Choroid
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43. A person with AB blood group is sometimes called a universal recipient because of the-
A. presence of antibodies in his blood
B. lack of antibodies in his blood
C. lack of antigen in his blood
D. lack of both antigens and antibodies in his blood
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44. The maximum temperature the human skin can tolerate without getting blisters is-
A. 40° C
B. 60° C
C. 80° C
D. 100° C
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45. An ant can see the objects all around it due to the presence of-
A. Simple eyes
B. eyes over the head
C. well developed eyes
D. compound eyes
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46. The Electric lamp was discovered by-
A. Ford
B. Marconi
C. Edison
D. None of these
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47. When ice melts into water, its-
A. volume increases
B. mass increases
C. volume decreases
D. mass decreases
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48. If a boy sitting in a railway train, moving at Constant velocity, throws a ball straight up into the air-
A. the ball will fall in front him
B. the ball will fall in behind him
C. the ball will fall into his hand
D. the ball will not return downwards
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49. If a bar magnet is broken into two pieces, then-
A. each will remain a magnet with North-pole at one end South-pole at the other end
B. Both pieces will lose their magnetism
C. the longer piece will behave as a bar magnet
D. one piece will have North-pole on both side, the other will have South-pole on both side
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50. The tube light is felt cooler than the light from a bulb of the same wattage because the-
A. tube is fixed at greater height than the bulb
B. surface area of a tube is larger than that of a bulb
C. tungsten is not used in the tube
D. tube consumes less power
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51. At what point the Centigrade and Fahrenheit temperatures are same?
A. 10°
B. 0°
C. -10°
D. -40°
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52. The H.C.F of two numbers is 7 and their L.C.M is 210. If one of the numbers is 35, find the other-
A. 14
B. 21
C. 42
D. None of these
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53. An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 A.M The next time, when they would beep together at the earliest is-
A. 10:30 A.M.
B. 10:31 A.M
C. 10:59 A.M
D. 11:00 A.M
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54. The value of (1+0.1+0.01+0.001) is-
A. 1.001
B. 1.011
C. 1.003
D. 1.111
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55. 
A. 0.13
B. 0.74
C. 0.9
D. 1
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56. Which of the following fractions is the smallest?
A. 9/13
B. 17/26
C. 28/39
D. 33/52
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57. The value of 1/0 will be-
A.1
B. 0
C. Infinte
D. None of these
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58. A boy was asked to multiply a number by 12, By mistake the multiplied the number by 21 and got his answer 63 more than the correct answer. The number was-
A.7
B. 8
C. 9
D. 12
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59. The largest number that divides 210,315,147 and 168 exactly, is-
A. 3
B. 7
C. 21
D. 4410
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60. How many digits are required for numbering the pages of a book having 300 pages?
A. 299
B. 492
C. 789
D. 792
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