Sumitra has an average of 56% on her first 7 examinations. How much should she make on her eighth examination to obtain an average of 60% on 8 examinations?

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

The expenses on rice, fish and oil of a family are in the ratio 12 : 17 : 3. The price of these articles are increased by 20 % , 30 % and 50 % respectively. The total expenses of family on these articles are increased by: 

A box contains 56 in the form of coins of one rupee, 50 paise and 25 paise. The number of 50 paise coins is double the number of 25 paise coins and four times the number of one rupee coins. How many 50 paise  coins are there in the box?

When a number is increased by 24, it becomes 115% of itself. What is the number?

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

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

The passing score of an exam is 33 percent. Anshul scored 160 marks but failed by 38 marks. Then what percentage marks Anshul got.