A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decreas…

In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48%…

In an examination, 35% of the candidates failed in Mathematics and 25% in English. If 10% failed in both Mathematics and…

If x% of y is equal to z, what percent of z is x ?

An individual pays 30% income tax. On this he has to pay a surcharge of 10%. Thus, the net tax rate, he has pay is :

In an examination 70% of the candidate passed in English, 80% passed in Mathematics, 10% failed in both subjects. If 144…

It costs Rs. 1 to photocopy a sheet of paper. However, 2% discount is allowed on all photocopies done after first 1000 s…

The cost of packaging of the mangoes is 40% the cost of fresh mangoes themselves. The cost of mangoes increased by 30% b…