In a factory 60% of the workers are above 30 years and of these 75% are male and the rest are females. If there are 1350…

6 c.c. of a 20% solution of alcohol in water is mixed with 4 c.c. of a 60% solution of alcohol in water. The alcoholic s…

80% of a smaller number is 4 less than 40% of a larger number. The larger number is 85 greater than the smaller one. The…

The length, breadth and height of a room are in ratio 3:2:1. If breadth and height are halved while the length is double…

If three-fifth of sixty percent of a number is 36, the number is :

P is 6 times greater than Q then by what per cent is Q smaller than P?

A reduction of 10% in the price of an apple enable a man to buy 10 apples more for Rs. 54. The reduced price of apples p…

When 60 is subtracted from 60% of a number, the result is 60. The number is :