RRB RPF RPSF SI and CONS Model Papers 6 with solutions

Question : 118 of 120

Marks: +1, -0

If the selling price of 12 articles is equal to the cost price of 15 articles, then the gain percentage is

Solution:

(2) 12 × S.P. of 1 article = 15 × C.P. of 1 article
⇒ S.P. of 1 article =

15/12

× C.P. of 1 article
⇒ S.P. = 1.25 C.P. = 125% of C.P.
⇒ Gain percentage = 25%

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