Write formula of finding selling and cost price when profit or loss percent is given.
A dealer gets Rs. 56 less if instead of selling a chair at again of 15%, it is sold at a gain of8%.Find the cost price of the chair.
A student multiplied 7236 by 65 instead of multiplying by 56. By how much was his answer greater than the correct answer? (Hint: Do you need to do both the multiplications?)