Abhay gave 30% of his money to Vijay, Vijay gave 2/3rd of what he received to his mother. Vijay's mother gave 5/8^th of the money she received from Vijay to the grocer. Vijay's mother is now left with Rs 600. How much money did Abhay have initially? 

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?

The bar-chart is showing the number of Accidents in a city during the first six month of a year. Examine the bar chart and answer the following questions.
What is the percentage of accidents in the month of April to the total accidents in the city?

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?

What should come in place of the question mark(?) in the following number series?
1, 5, 13 , 29 ,? , 125 , 253