A) \[20\]
B) \[20\frac{2}{3}\]
C) \[14\]
D) \[7\]
Correct Answer: B
Solution :
[b] CP of the whole plot of land = Rs. 96000 To gain 10%, SP of the whole plot = 110% of 96000 = Rs. 105600 CP of \[\frac{2}{5}\text{th}\] part of the land \[=96000\times \frac{2}{5}=\text{Rs}\text{.}\,\,38400\] and it's SP = 94% of 38400 = Rs. 36096 \[\therefore \] CP of remaining part i.e., \[\frac{3}{5}\text{th}\] part of the land \[=96000\times \frac{3}{5}=\text{Rs}.57600\] and it's SP \[=105600-36096\] = Rs. 69504 Hence, gain per cent on the remaining land \[=\frac{69504-57600}{57600}\times 100=20\frac{2}{3}%\] |
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