Last year, the population of a town was x and if it increases at the same rate, next year it will be y. the present popu…

In an examination there were 640 boys and 360 girls, 60% of boys and 80% of were successful. The percentage of failure w…

If 80% of A = 50% of B and B = x% of A, then the value of x is :

Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends …

In some quantity of ghee, 60% is pure ghee and 40% is vanaspati. If 10 kg pure ghee is added, then the strength of vanas…

The actual area of a rectangle is 60 Cm<sup>2</sup>, but while measuring its length a student decreases it b…

In an examination, 5% of the applicants were found ineligible and 85% of the eligible candidates belonged to the genera…

The number that is to be added to 10% of 320 to have the sum as 30% of 230 is :