Question # 1

The three elements needed for healthy growth of plants are:

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N,P,K

N,C,P

N,K

N,S,P

One type of liquid contains 25% milk, the other contains 30% milk. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of milk in the new mixture.

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20

21

25

27

The planet having the largest diameter is

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Earth

Jupiter

Venus

Uranus

The speed of sound in dry air at 20 c is about

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130 meters per second

230 meters per second

330 meters per second

None of these

.025 in terms of rate per cent is :

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3.5 %

2.5%

1.5%

None of these

What is the chance of diabetic baby born to parents both heterozygous normal?

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Zero

1/4

1/2

3/4

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

The gas associated with global warming is

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Co2

H2s

Ch2

So2

The H.C.F. of two numbers is 99 and their L.C.M. is 2772. The numbers are

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198, 297

198, 1386

297, 495

None of these

The value of √0.4 is:

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0.2

0.02

0.63

0.51

Humming bird belong to a category called:

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Ectotherm

Endotherm

Exotherm

Hetrotherm

Find the greatest number which will divide 2112 and 2792 leaving the remainder 4 in each case.

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78

68

65

63

A scientific method will seek to explain natural events and make useful prediction in

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A haphazard manner

A manner design to fit the theorists for experimenter's bias

A consistently reproducible manner

None of these

The name of the disease called lock-jaw is?

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Arthritis

Hypetropia

Tetanus

None of these

Study of life in outer space is known as:

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Endobiology

Exobiology

Enterobiology

Neobiology

Which of the following fractions is less than 7/8 and greater than 1/3 ?

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1/4

23/24

11/12

17/24

The echo reflected sound will b distinetly heard only at ordinary temperature is the distance of the reflecting surface from the source of sound is at least:

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1120 ft

120 ft

56 ft

100 ft

None of these

If m and n are whole numbers such that mⁿ = 121, then the value of (m-1)ⁿ⁺¹ is:

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1

10

121

1000

The smallest fraction which should be subtracted from the sum of 1 3/4, 2 1/2, 5 7/12, 3 1/3 and 2 1/4 to make the result a whole number is

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5/12

7/12

1/2

7

If 0.4 of a number is equal to 0.06 of another number, then the ratio of the numbers is:

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2 : 3

3 : 4

3 : 20

20 : 3

Three numbers are in the ratio 1 : 2 : 3 and their H.C.F. is 12. The numbers are:

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12, 24, 36

10, 20, 30

5, 10, 15

4, 8, 12

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