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
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
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
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
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
46. The Electric lamp was discovered by-
A. Ford
B. Marconi
C. Edison
D. None of these
47. When ice melts into water, its-
A. volume increases
B. mass increases
C. volume decreases
D. mass decreases
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
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
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
51. At what point the Centigrade and Fahrenheit temperatures are same?
A. 10°
B. 0°
C. -10°
D. -40°
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
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
54. The value of (1+0.1+0.01+0.001) is-
A. 1.001
B. 1.011
C. 1.003
D. 1.111
55. 
A. 0.13
B. 0.74
C. 0.9
D. 1
56. Which of the following fractions is the smallest?
A. 9/13
B. 17/26
C. 28/39
D. 33/52
57. The value of 1/0 will be-
A.1
B. 0
C. Infinte
D. None of these
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
59. The largest number that divides 210,315,147 and 168 exactly, is-
A. 3
B. 7
C. 21
D. 4410
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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