Question # 1

Rayon was invented by

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Sir joseph swann

Adolph Rickenbacker

David brewster

Christopher cockerell

Which is the greatest five digital number exactly divisible by 279?

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9960

99882

99550

None of these

The uranium fuel used worldwide is mainly in the form of:

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U3O8

UO2

UF6

U metal

The ratio of boys and girls in a school is 9 : 5. If the total number of students in the school is 1050, then the number of boys is

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785

890

675

None of these

The average of first 50 natural number is:

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12.25

21.25

25

25.5

Laughing gas has chemical composition of the following two elements which are;

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Nitrogen+Hydrogen

Nitrogen+carbon

Nitrogen+oxygen

Oxygen +Carbon

Monsoon is caused by:

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Seasonal reversal of winds

revolution of earth

Movement of cloud

Rise in temperature

Night vision is possible with the help of:

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red light

violet light

Infra red light

none of these

The fruit without seed,like banana,are called;

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Seed less fruits

Parthenogenesis fruits

Parthenocarpic fruits

Placental fruits

If a metal can be drawn in to wires relatively easily it is called

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Malleable

Ductile

Extractive

Tactile

The average monthly salary of a staff of 9 persons is Rs. 2450. One number of the staff whose monthly salary is Rs. 2650 is transferred. Find the average salary of the remaining 8 persons of the staff.

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Rs. 2425

Rs. 2625

Rs. 3025

Rs. 2825

Founder of modern astronomy was:

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Archimedes

William gilbert

Nicolas Copernicus

Michael faraday

Which refrigerant is commonly used in cold storage in our country

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Ethylene

carbide

Liquid ammonia

Sodium benzoate

The efficiency of a machine is

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Always grater then 100%

Always less then 100%

Always 100%

None of these

What are cyclones?

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Sudden heavy floods

Heavy showers

Violent wind and rain

No rain for a long period

Find the square root of 4356

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68

64

66

None of these

The sino pakistan jf Thunder Aircraft

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Is acommercial transport aircraft

Is neither built nor assembled in Pakistan

Has no stealth features in its engine inletsor elsewhere

None of these

Which refrigerant is commonly used in cold storage in our country

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Ethylene

carbide

Liquid ammonia

Sodium benzoate

The H.C.F. and L.C.M. of two numbers are 50 and 250, respectively. If the first number is divided by 2, the quotient is 50. The second number is:

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50

100

125

250

The richest source of fats is

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Coconut

Walunt

Cashew nut

Guava

He was the first scientist to prove that plant move around the sun:

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Archimedes

Galileo galilei

John Kepler

None of these

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