Question # 1

Which of the following elements is not present abundantly in earth;s crust?

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Silicon

Radium

Aluminum

Carbon

Matter and Energy

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Can be converted from one to the other

When taken together converted in all processes in a closed system

Both A and B

None of these

The value of (2.3)³ + .027/(2.3)² - .69 + .09 is:

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2.6

2

2.33

2.27

Dwight Eisenhower was born on October 14, 1890 and died on March 28, 1969. What was his age, in years, at the time of his death ?

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77

78

79

80

81

A Light year is

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A year devoid heavy rain fall

The time taken by light to be generated and propagated from the center of the sun to our earth

The distance covered by light of our solar years

None the these

Which distance is higher - an astronomical unit or a light - year

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An astronomical unit

Neither one is a measurement of distance

They are both about the same distance

A light -year

The planet mercury completes one rotation around the sun is

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88 days

365 days

98 day

60 days

Average energy value of carbohydrates in food is

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3 kcal/g

4 kcal / g

5 kcal /g

6 kcal /g

Five years ago, the average age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?

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35 years

40 years

30 years

50 years

How many numbers up to 200 are divisible 2 and 3 both ?

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35

33

29

27

Cobalt is a material which is:

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Strongly attracted by a magnet

Not attracted by a magnet

Not a magnet

Weakly attracted by a magnet

If carbon dioxide is passed through lime water for a long time, the cloudy white color disappears because of the formation of:

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Calcium bicarbonate

Calcium hydroxide

Calcium carbonate

Calcium sulphate

Which one of the following is a water soluble vitamin?

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Niacin

Ascorbic acid

trypsin

riboflavin

Who invented the telephone?

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Thomas alva edison

Galileo

Alexander graham bell

G. marconi

What per cent of 12 is 84?

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800%

600%

700%

None of these

Which of the following sets of fractions is in descending order ?

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3/5, 7/9, 6/7

7/9, 3/5, 6/7

7/9, 6/7, 3/5

6/7, 7/9, 3/5

The least number by which 10584 be multiplied to make it a perfect square is:

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2

3

6

8

The efficiency of a machine is

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Always grater then 100%

Always less then 100%

Always 100%

None of these

The most abundant element present in the human body is:

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Nitrogen

Oxygen

Carbon

Hydrogen

The largest natural number which exactly divides the product of any four consecutive natural numbers, is

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6

12

24

120

Who invented polio vaccine?

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Albert Sabin

Burkholder

Luise Pasture

Jonas Salk

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