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siril

· started a discussion

· 1 Months ago

explain how

Question:

A shopkeeper sells an object for 25% profit. If he buys it for 25% less and sells it for Rs.25 less then he earns 25% profit. What is the original cost price?

Options:
A)

 

Rs. 80

B)

Rs. 79

C)

Rs. 40

D)

Rs. 70

E)

None of these

Solution:

Ans: (a)


Knowledge Expert

· commented

· 1 Months ago

cp is 100 ------- >sp is 125 (25%less) cp become 75 --------- >(earns 25% profit ) 75 *125/100=93.75 difference between (125-93.75=31.25) here 31.25--------- >25 ( 25 less) 100-----------> y therefor y=100 * 25 / 31.25 =80

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