Question # 1

The value of (25.732)² - (15.732)² is:

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414.64

41.464

4146.4

4.1464

The average of first five prime numbers is:

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4.5

5

5.6

7.5

The existence of isotopes was discovered by

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Emil kraepelin

Trofim Lysenko

Frederick Soddy

Francis Galton

Which of the following minerals is most resistant to chemical weathering?

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Olivine

Quartz

Hornblende

Potassium feldspar

The H.C.F. of 2⁴ x 3² x 5³ x 7, 2³ x 3³ x 5² x 7² and 3 x 5 x 7 x 11 is:

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105

27720

1155

2310

What is the smallest unit of heredity?

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Chromosomes

Gene

Nucleotide

None of these

Electricity and Magnetism are

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Two aspects of same force

Completely opposite

Both A and B

None of these

Which one of the following planets has largest number of natural satellites or moons?

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Jupiter

Mars

Saturn

Venus

The higest source of omege 3 fatty acid is

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Fish oil

Corn oil

Sun flower oli

None of these

The study of how people use tools to perform work and how people physically relate to their working environment is called

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Engineering

Ergonomics

Agronomy

Physiology

Founder of modern astronomy was:

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Archimedes

William gilbert

Nicolas Copernicus

Michael faraday

The L.C.M. of two numbers is 14 times their H.C.F. The sum of L.C.M. and H.C.F. is 600. If one number is 80, then the other is

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40

60

160

280

The word atom is form a greek word meaning:

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Small

Indivisible

Unseen

Visible

The average of eight numbers is 14. The average of six of these numbers is 16. The average of the remaining two numbers is:

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4

8

16

None of these

This is the measure of moisture in the air

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Temperature

Humidity

Altitude

None of these

A boy saves Rs. 4.56 the first month, Rs. 3.82 the second month and Rs. 5.06 the third month. How much did he save altogether ?

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Rs. 12

Rs. 12.50

Rs. 13

Rs. 13.44

Find the square root of 104976

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324

424

326

None of these

A man spends 35% of his income on house rent, 75% of the remaining on other items. What percentage of income does he save?

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16.25

34.50

48.75

None of these

A boy was asked to multiply a certain number by 25. He multiplied it by 52 and got his answer more than the correct one by 324. The number to be multiplied was:

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12

15

25

32

Inhaled air passes through which of the following in the last?

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Bronchiole

Larynx

Pharynx

Trachea

The word ceramic means;

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Hard material

Soft material

Dry material

Burnt material

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