Question
A sum was put at simple interest at a certain rate for 7
years. Had it been put at 6 % higher rate, it would have fetched Rs. 1260 more. Find the sum?Solution
(P x (r + 6) x 7)/100 - (P x r x7)/100 = 1260 7Pr + 42P – 7Pr = 1260 x 100 42P = 1260 x 100 P = Rs 3000
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