Question # 1

If √2ⁿ = 64, then find the value of n

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8

10

12

16

Galileo Galilei was persecuted by the Catholic Church for suspicion of holding the view that

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Object of different masses fell at the same velocity

The sun revolves around the moon

The earth was probably not the centre of the universe

None of these

Rich source of vitamin B1 is

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Grape

Banana

Cashew nut

Guava

The planet Mercury completes one rotation around the sun is

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88 days

365 days

98 days

60 days

Determine the least number by which 72 is multiplied to produce a multiple of 112.

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6

12

14

15

The H.C.F. and L.C.M. of two numbers are 44 and 264, respectively. If the first number is divided by 2, the quotient is 44. The other number is:

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33

66

132

264

If the radius of a circle is decreased by 50%, its area is reduced by:

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25%

50%

75%

None of these

Sensitive layer of the eye is:

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Chlorides

Sclerotic

Retina

Cornea

One side of a square is increased by 30%. To maintain the same area the other side will have to be decreased by

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23 1/13%

76 12/13%

30%

15%

The population of a town is decreased by 20% and 25% in two successive years. What per cent population is decreased after tow years ?

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50%

40%

60%

None of these

Laser was invented by

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Dr . charles h. townes

Edwin hubble

Albert einstein

Dr abdus salam

Layer of atmosphere in which ozone layer lies is

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Exosphere

Mesosphere

Troposphere

Stratosphere

The hottest planet of our solar system is

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Mercury

Venus

Mars

Earth

The system for writing by blind people was invented by

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Louis braille

Henry bacquerel

Sir j,a fleming

Dr. charles h. townes

0.̅8 expressed as a fraction is:

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8/10

88/100

88/99

8/9

Find the least number which when decreased by 11 is divisible by 14, 15, 21, 32 and 60.

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4371

3271

3371

3360

Boiling of an egg is a change which is:

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Physical

Chemical

Physiological

Morphological

In Humans the Y choromosome is passed to the next genration from

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Father to son

Mother to son

Father to daughter

None of these

What per cent of 2/7 is 1/35 ?

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15%

18%

10%

None of these

Artificial selection was practiced by the

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arabs

chinese

romans

none of these

Which of the following is not a major green house gas?

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Water vapor

Carbon -dioxide

Ozone

Methane

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