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Maths
Maths Numbers Ratio and Proportion University Assistant 2016

What number should be subtracted from each of the number 23, 30, 57 and 78 so that the remainders are in proportion?

A - 4

B - 3

C - 6

D - 7

Answer : C

Explanation

Proportion says that two ratios (or fractions) are equal. Example: 1/3 = 2/6.

2D figures Maths Mensuration Rectangle University Assistant 2016

A garden is 90 m long and 75 m broad. A path 5m wide is to be built outside around it. Find the area of the path

A - 850

B - 6750

C - 1750

D - 7600

Answer : C

Explanation

To find the area of a rectangle, multiply the length by the width.

Fraction Maths Numbers Ratio and Proportion University Assistant 2016

If y-x/x = 3/8. Find y:x

A - 11 : 8

B - 8 : 11

C - 8 : 5

D - 5 : 8

Answer : A

Explanation

x = 8, y-x = 3, so y = 11, y : x = 11 : 8.

LCM and HCF Maths University Assistant 2016

H.C.F of 36 and 264 is

A - 6

B - 36

C - 792

D - 12

Answer : D

Explanation

The largest common factor of two or more numbers is called the highest common factor (HCF). 12*3 = 36; 12*22 =264. So HCF = 12.

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