In an examination, 93% of students passed and 252 failed. The total number of students appearing at the examination was:

78 is divided into two parts in such a way that the ratio of quadruple of the first part and five times the second part is 14: 15. The first part is

If the population of a town is 12.000 and the population increases at the rate of 10% per annum, then find the population. after 3 years.

Due to a 25% increase in the price of rice per kg. a person is able to purchase 20 kg. less for Rs.400. What is the increased price of rice per kg.?

Ram spends 40 % of his salary on food, 20% on house rent, 10% on entertainment and 10% on conveyance. If his savings at the end of a month are ₹ 1500, then his salary per month (in ₹) is:

A man had a certain amount with him. He spent 20% of that to buy an article and 5% of the remaining on transport. Then he gifted ₹ 120. If he is left with ₹ 1,400, the amount he spent on transport is: 

25% of 120 + 40% of 380 = ? of 637

The expenditure on the cost of living of a man and his family is 60% of his salary. He gets two increments of 30% and 60% in his salary. If his saving increases by 250% of his initial saving, then the new cost of living expenditure is what percentage (rounded off to the nearest integer) of the increased salary?