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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.

A576

B625

C200

D425

Answer:

B. 625

Read Explanation:

selling price after 32% discount

SP1=x0.32x=0.68xSP_1=x-0.32x=0.68x

selling price for 2successive 20% discount

SP2=x0.2x=0.8xSP_2=x-0.2x=0.8x

SP3=0.8x0.2(0.8x)=0.8x0.16x=0.64xSP_3=0.8x-0.2(0.8x)=0.8x-0.16x=0.64x

difference

SP1SP3=0.68x0.64=25SP_1-SP_3=0.68x-0.64=25

0.04x=250.04x=25

x=625x=625


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