Question # 1

If 10^2y = 25 then what is the value of 10^y ?

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-5

5

1/25

√1/25

The ozone layer present in atmosphere above earth. The stratum of atmosphere in which ozone layer lies is called as

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Exosphere

Mesosphere

Stratosphere

Lonosphere

Troposphere

Four children A, B, C and D divide a bag of sweets. A takes 1/3 of them, B 2/5the of the remainder and the rest is equally shared between C and D. What fraction of the sweets did C or D get ?

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1/5

1/17

1/6

1/4

Which one of the following is the largest terrestrial wild animal

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South Asian elephant

African elephant

Giraffe

White tiger

In winter an iron pipe feel colder than a wooden window. this is because wood is:

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Conductor

Non conductor

Semi conductor

Not a solid while iron is a solid

............ manages and controls various function of the computer

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Input/output device

main memory

Operating system

both a and b

When x is added to each term of 7 : 13 the ratio becomes 2 : 3. The value of x is

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7

11

5

None of these

Identify the non membranous organelle from the following

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Ribosome

endoplasmic reticulum

nucleus

Chloroplast

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

The use of antibiotic is a very effective way of killing disease causing bacteria. sometime people don't finish all of their pills. this can result in:

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Some bacteria left unkilled

Production of more bacteria

Bacteria become sensitive to antibiotics

Bacteria becoming resistant to antibiotics

Satiety is the condition in which patient lacks desire to:

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Drink

Eat

Sleep

Talk

Which famous inventor ranks second in the number of patents registered?

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Thomas alva edison

James newton

Leonardo da vinci

Jacques Cousteau

The expression (11.98 × 11.98 × x + .02 × .02) will be perfect square for x equal to:

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.02

.2

.04

0.4

The liver is supplied by two main blood vessels on it

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Gallbladder

Right lobe

Left lob

Caudate

A concave refracting surface is one with a center of curvature:

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to the left of the surface

to the right of the surface

on the side of the incident light

on the incident of the refracted light

on the side with the higher index of the refraction

If an alloy contains copper and silver in the ratio 3 : 7, then the percentage quantity of silver in the alloy is

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90%

70%

60%

None of these

The input hexadecimal representation of 1110 is

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0111

E

15

14

A mixture contains alcohol and water in the ratio of 12 : 5. On adding 14 litres of water, the ratio of alcohol to water becomes 4 : 3. The quantity of alcohol in the mixture is

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18 litres

24 litres

26 litres

None of these

What is the sum of all prime numbers from 60 to 80 ?

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361

341

351

349

Kilowatt hour is a unit of:

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Power

Electric current

Energy

Time

Nylon was invented by

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Dr. j a . flfleming

George eastman

David brewster

Christopher Cockerell

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