[36" Cost of books "20000" Kingrabo Kikruen "],[" Equal to the value है,तो Percentile "]

If the cost price of 15 books is equal to the selling price of 20 books, the loss percent is

Rinku sells a set of books for Rs 1080, incurring a loss equal to (1)/(10) of the cost price. Find the loss per cent and the cost price of the set of books.

Raghu sells a book for Rs 280, making a loss equal to (1)/(8) of the cost price. Find the loss percent and the cost price.

The cost price of 36 books is equal to the selling price of 30 books .The gain is:

The cost price of 8 books is equal to the selling price of 6 books.Find the gain per cent.

A buyer purchased few books of equal value for a total cost of Rs 720. If the value of each were Rs 2 less than the price at which the buyer originally bought, she could have purchased 4 more books than what she had bought. How many books did she originally purchase? (a) 18 (b) 20 (c) 34 (d) 36

If the cost price of 12 books is equal to the selling price of 8 books. What is the gain per cent? (A) 12% (B) 30% (C ) 40% (D) 50%

the cost price of 100 books is equal to the selling price of 60 books. The gain or loss percentage will be :