Question

The difference between the selling price on a discount of 32% and two successive discounts of 20% each on a certain bill is 25. Find the actual amount of the bill.

• A. 576
• B. 625
• C. 200
• D. 425

Answer 1

Answer:

B. 625

selling price after 32% discount

$SP_1=x-0.32x=0.68x$

selling price for 2successive 20% discount

$SP_2=x-0.2x=0.8x$

$SP_3=0.8x-0.2(0.8x)=0.8x-0.16x=0.64x$

difference

$SP_1-SP_3=0.68x-0.64=25$

$0.04x=25$

$x=625$