Direction: Study the double bar graph given below and answer the questions.

The percentage of students of class VIII participating in cultural event out of total participants of cultural event is

1/5 of a number exceeds 1/7 of the same number by 10. The number is:

It was compulsory to get 36 % marks in a paper to Manoj to pass it. He got only 24 % marks and failed by 9 marks. Total marks of paper was 

A man sells a table at 12 % loss and a book at 19% profit then he earns Rs. 160 as profit. But if he sells the table at 12 % profit and the book at 16% loss then he bears a loss of Rs. 40. Find the price of one book?

Find the no. of prime factors in the product of 25¹² × 10⁷ x 14⁷ ? 

A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?