A) Rs. 2500
B) Rs. 2400
C) Rs. 2600
D) Rs. 2000
Correct Answer: A
Solution :
Sum = Difference\[{{\left( \frac{100}{r} \right)}^{2}}=4\times {{\left( \frac{100}{4} \right)}^{2}}\]= Rs. 2500You need to login to perform this action.
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