Question # 1

Which of the following atmosphere layers help in radio communication?

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Exosphere

Lonosphere

Troposphere

Stratosphere

There are 100 people on a line. Aviva is the 37th Person and Naomi is the 67th person. If a person on line is chosen at random, what is the probability that the person is standing between Aviva and Naomi ?

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1/100

29/100

3/10

31/100

1/2

Which of the following is a cellular fiber?

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Cotton

Wool

Rayon

Polyester

Permanent hardness of water is caused due to presence of dissolved

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Calcium hydrogen carbon

Magnesium hydrogen carbon

Both a and b

Sulphate and chloride of calcium or magnesium

Number Series Test

5, 10, 15, ?, 25, 30, ..................................

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20

35

12

14

Find the least number which when divided by 48, 60, 72, 108, and 120, leaves the remainders 38, 50, 62, 98, and 110, respectively.

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1950

2050

2120

2150

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8

20

8π

40π

The unit that coordinates different devices of the computer system is;

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A L U

Register

Control unit

Logical instruction

In addition to their role in ozone depletion,CFCs play a role in global warming by

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Absorbing solar radiation

Blocking ultraviolet B radiation

Absorbing earth shine in the 10 micron region

Destroying ozone, which cools the earth

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

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Water vapor

Carbon -dioxide

Ozone

Methane

6, 18, 24, 9, 27, 33, 11?,?

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15, 19

22, 27

33, 39

44, 47

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108

54+72√2

54+72√3

198

The self interest perused by individuals causing collective destruction is called theory of

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The psycho-cultural theory

the tragedy of justified war

Securitization theory

None of these

The unit to measure the quantity of Ozone in atmosphere is

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Dobson

Dalton

Coulomb

None of these

The average of 7 consecutive numbers is 33. The largest of these numbers is:

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36

33

30

28

The quantity of available nutrients..........from the lower levels of the energy pyramids to the higher ones.

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Increase

Decrease

Remains stable

None of these

The L.C.M. of two numbers is 12 times their H.C.F. The sum of the H.C.F. and L.C.M. is 403. If one number is 93, then the other number is:

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134

124

128

310

'Truth is the sought for its own sake and those who are engaged upon the quest for anything for its own sake are not interested in other thing finding the truth id difficult and the road to it is rough "This was stated by which key figure in the development of scientific method in the 11th century?

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Aristotle

Ibn Al Haytham

Plato

None of these

Carbohydrate content in potato is:

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12%

22%

32%

42%

What is the difference between the largest and the smallest fractions 5/8, 21/35, 9/16 and 6/7 ?

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33/112

11/37

13/41

9/35

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4√6 cm

√24 cm

8√3 cm

4√3 cm

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