SSC GD 2012 Shift 2

Instructions

For the following questions answer them individually

Question 1

By how much is $$\ \frac{3}{5}$$th of 75 greater than $$\ \frac{4}{7}$$th of 77?

Question 2

The HCF of two numbers 24 and their LCM is 216. If one of the number is 72, then the other number is

Question 3

$$\frac{3}{4}\ $$of $$\ \frac{1}{7}\ $$of a number 120, then the number

Question 4

In a co-educational secondary school 65% of the students are boys. If there are 224 girls in the school, find the number of boys in the school ?

Question 5

A mixture of 30 litres of spirit and water contains 20% of water in it. How much water must be added to it, to make the water 25% in the new mixture ?


Question 6

The ages of x and y are in the ratio 3:1. Fifteen years hence, the ratio will be 2:1. The present ages (in years) are:

Question 7

Gold is 19 times as heavy as water and copper is 9 times as heavy as water. In what ratio should these be mixed to get an alloy 15 times as heavy as water ?

Question 8

The average of Rajeev’s marks in 7 subjects is 75. His average in six subjects excluding science is 72. How many marks did he get in science ?

Question 9

If 75% a number is added to 75, the result is the number itself. Then the number is

Question 10

If a sum of money doubles itself in 8 years at simple interest, the rate percent per annum is

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