A) Rs. 1000
B) Rs. 500
C) Rs. 750
D) Rs. 900
Correct Answer: D
Solution :
Let the principal \[=Rs.\,P\] \[\therefore \] According to question, \[\frac{P\times 9\times 7}{2\times 100}-\frac{P\times 4\times 7}{100}=31.50\] \[\Rightarrow \] \[63P-56P=6300\] \[\Rightarrow \] \[P=\frac{6300}{7}=900\]You need to login to perform this action.
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