A) Rs. 15
B) Rs. 20
C) Rs. 18
D) Rs. 12
Correct Answer: A
Solution :
S.P. of second pipe = Rs. 12 loss% = 20% \[C.P.=\left( \frac{S.P.\times 100}{100-20} \right)\] \[=\frac{12\times 100}{80}=\text{Rs}\,15\]You need to login to perform this action.
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