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

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?

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

Direction: Given bar graph shows the number of plain books and lined books (in hundreds) available at three different stores and the table shows the percentage of total books (Plain + lined) that was sold by different stores.

The number of plain books sold by store A and store B was 30% and 40% respectively then find a number of lined books sold by store A and store B together is what percent of total books available at store A? 

Rekha bought a scooter for Rs 20,000 and sold it for Rs 22,000. What is the profit percentage?

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?