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					 The simple interest on a sum of money will be ₹ 200 after 5 yr In the next 5 yr principal is tripled. What will be the total interest at the end of the 10th yr ?
 
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- ₹ 650
 - ₹ 850
 - ₹ 800
 - ₹ 750
 
 
Correct Option: C
According to the question, 
SI for 5 yr = ₹ 200
∴ Total SI for 10 yr = 200 + 600 = ₹ 800
When principal is trebled, then SI for 5 yr will also be treble and hence 
SI for next 5 yr will be ₹ (200 x 3) i.e., ₹ 600.