Question # 1

Laser was invented by

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Dr . charles h. townes

Edwin hubble

Albert einstein

Dr abdus salam

How many pieces of 0.85 metres can be cut from a rod 42.5 metres long ?

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30

40

60

None of these

If the ratio of A to B is 9 times the ratio of B to A, then A/B could be:

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9

3

1/3

1/9

Nylon was invented by

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Dr. j a . flfleming

George eastman

David brewster

Christopher Cockerell

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

Opponents of the new legislation could defend themselves against the author's strategy by arguing that:

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the fact that past trade legislation improved the trade balance does not mean that the present bill will do the same.

economists are not always right.

the united states had a trade deficit both in the 1930s and at the time of the new bill.

the new law is not as strong as the 1930s bill.

America's trading partners have also passed similar legislation.

Professor Bilal had the task of giving grades (ranging from A - D in descending value) to her 100 students, based upon the marks they received in three examinations in which the passing mark was 50%. She was instructed to follow the following criteria:

i. All students that scored between 90 and 100% in any two examinations could receive an A grade.

ii. Students that came in the top decile overall were to be awarded an A.

iii. Notwithstanding I and II, if any student failed an exam, the highest he or shed could get was a b.

iv. The top 20 students in the whole year, when the overall exam percentages were averaged, could receive an A.

Given the above criteria, which of the following in the absence of further information, would definitely not be permissible ?

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A. Brown, who got 95% in Chemistry and 95% in Biology, received a B grade.

B. White, who was first in Physics and got 96% in History, received a B grade.

C. Green failed English, but because he ranked ninth overall out of the 100 students, he was awarded an A grade.

D. Black was given an A after she came twentieth out of the 100 students and failed to get above 90% in any of the three examinations.

E. Gray failed his Math exam, but came top in his other two tests and was awarded a B.

Electric current

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Flows from a higher potential to lower potential

It caused flow of electrons

Both A and B

None of these

Find the value of x in the following proportion: 27 : 72 :: x : 8

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5

7

3

None of these

Night vision is possible with the help of:

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red light

violet light

Infra red light

none of these

The planet mercury completes one rotation around the sun is

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88 days

365 days

98 day

60 days

If an igneous rock cuts across a sedimentary rock, we known that the igneous rock is

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older than the sedimentary rock

younger than the sedimentary rock

the same age as the sedimentary rock

a minimum of 1.3 million years old

The solar radiation that bounces off the earth back toward the atmosphere is mostly..........(with a longer wavelength).

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Gamma radiation

X-rays radiations

Nuclear radiation

Infrared radiation

When x > 0, y > 0 and x - y > 0, then :

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x < y

x > y

|x/y| = 0

None of these

Thar Coal project was first announced by the government in

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2009

2008

2010

2012

Overcooking of food should be avoid because overcooking:

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Make the food difficult to digest

Makes the food

Increase the nutritive value of food

Reduce the nutritive value of food

Mist is caused by

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Dry ice

Ice at low temperature

Water vapor at low temperature

Carbon monoxide in solid form

The average of 50 numbers is 38. If two numbers 45 and 55 are discarded, the average of the remaining set of numbers is

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38.5

37.5

37.0

36.5

Water flow through a horizontal pipe at a constant volumatric rate. At a location where the cross sectional area decreases, the velocity of the fluid:

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Increase

Decrease

Stay the same

None of these

Number Series Test

20, 25, 29, 32, 34, ................................

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45

25

34

35

The H.C.F. of 2923 and 3239 is:

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37

47

73

79

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