Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is ?

Answer : D. 44%

Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is ?

A. 30 %

B. 33 1/3 %

C. 35%

D. 44%

Answer : D. 44%

Explanation:

Suppose, number of articles bought = L.C.M. of 6 and 5 = 30

Cost Price (C.P) of 30 articles = Rs.( 5 / 6 ) x 30
= Rs. 25

Selling Price (S.P) of 30 articles = Rs.( 6 / 5 ) x 30
= Rs. 36

Gain % = ( 11 / 25 ) x 100%
= 44%

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