A) Rs. 12
B) Rs. 10
C) Rs. 11
D) Rs. 14
Correct Answer: B
Solution :
S.P of first pipe = Rs. 12 Gain % = 20% \[C.P=\left( \frac{S.P\times 100}{100+G%} \right)\] \[=\frac{12\times 100}{100+20}\] C.P = Rs. 10You need to login to perform this action.
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