For two numbers P and Q, the sum of 5% of P and 4% of Q is equal to two-thirds of the sum of 6% of P and 8% of Q. Then, the ratio of P to Q is :

The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased by 12%, then the obtained numbers are equal, then smaller number is :

If 60% of (A – B) is equal to 36% of (A + B), then B is what percent of A?

×% of y is equal to y% of ..........

The population of a town is 176400. If it increases annually at the rate of 5%, then what will be its population after two years?

37.5% of the candidates in an examination were girls. 75% of the boys and 62.5% of the girls passed, and 342 girls failed. The number of boys failed was