DELHI POLICE HEAD CONSTABLE QUANT (RATIO AND PROPORTION) QUIZ-7

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Question 1:

Three numbers are in the ratio 5:4:7 and sum of their squares is equal to 810 then what is the difference between 3rd and 1st number?

Question 2:

A vessel contains 125 litre of milk. Certain part of mixture is replaced by water twice. Then find quantity of mixture (in litre) replaced. If ratio between milk to water becomes 16:9.

Question 3:

An employer reduces the number of employees in the ratio 8:5 and increases their wages in the ratio 7:9. As a result, the overall wages bill is:

Question 4:

If A:B=4:5,C:B=9:7, then, A+C:B+ C:BA=?

Question 5:

A man invested 15% of his monthly income in LIC and the remaining amount gave to his mother. Her mother spent 10% of it in household expenditure and thus she saved Rs. 30,600 , then find the monthly salary of the man.

Question 6:

The initial ratio of sugar and flour in a food item was 17:28. Elizabeth added so much flour to this 27 kg food that the ratio of sugar and flour becomes 2:5. How much flour did Elizabeth add later?

Question 7:

The ratio of the sum of two numbers and their difference is 5:1 The ratio of the greater number to the smaller number is:

Question 8:

If x:12::y:18, then 5x+3yx+y= ?

Question 9:

A : B =5:9 and B : C = 4:5, then (A+B) : (B + C) : (C+A) is:

Question 10:

Two numbers are respectively 20% and 50% more than a third number. The ratio of the first two numbers is.