Question # 1

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

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2

3

6

8

Fuel used in a Fast Breeder Reactor is:

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Uranium oxide

Uranium plutonium carbide

Uranium thorium oxide

Uranium plutonium oxide

Which of the following,lists the four stages of food processing in order?

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Ingestion,digestion,absorption,elimination

Digestion,ingestion,absorption,elimination

Ingestion,absorption,elimination,digestion

Absorption,digestion,ingestion,elimination

The L.C.M. of two number is 12 times their H.C.F. the sum of the H,C,M, and L,C,M, is 403 . if one number is 93 then the other number is

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134

124

128

110

Night vision is possible with the help of:

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red light

violet light

Infra red light

none of these

The principle used in radar is the same as that of sonar. in reader we use radio waves whereas in sonar we use

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Red waves

Infrared waves

Ultrasonic

Super sonic

None of these

What fraction is 0.6 % ?

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7/500

9/500

3/500

None of these

When the quantity of charge on each of the two bodies is double, the force between them becomes

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One fourth

One half

Twice

Four time

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

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414.64

41.464

4146.4

4.1464

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

The least perfect square number which is divisible by 3,4,5,6 and 8:

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900

1200

2500

3600

The H.C.F. of 2923 and 3239 is:

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37

47

73

79

The product of two numbers is 1320 and their H.C.F. is 6. The L.C.M. of the numbers is:

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7920

220

1314

1326

The position of earth in its orbit.when it is at its greatest distance from the sun causing northern summer is called

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Aphelion

Perihelion

Perigee

Apogee

Find the greatest number of four digits which must be added to 5231 so that the final number becomes exactly divisible by 12, 15, 27, 32 and 40.

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7929

7829

9729

7729

What is the smallest unit of heredity?

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Chromosomes

Gene

Nucleotide

None of these

The mean of 100 observations was calculated as 40. It was found later on that one of the observation was misread as 83 instead of 53. The correct mean is:

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39

39.7

40.3

42.7

Evaporation from water surface exposed to air is not dependent of the:

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Velocity of the wind

Humidity

Temperature

Depth of the water

The sum of kinetic energy and potential energy of an oscillating body is

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Maximum in the beginning

Constant at all points

Maximum at midway of the path

Minimum in the beginning

Bronze medal is made up of metals;

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Copper,nickel

Copper,tin

Copper,silver

Copper,zinc

The H.C.F of 1.75, 5.6 and 7 is:

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.07

.7

3.5

.35

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