Given in the question ,
PW of Rs. 12,880 due 8 months hence = Rs. 11500; Clearly 12000 in cash is a better offer.
12 |
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% per annum is Rs. 25. Find the sum (Rs.). |
2 |
As we know that ,
Present worth = Amount ? True Discount = 110 ? 10 = Rs. 100
SI on Rs. 100 for a certain time = Rs. 10
SI on Rs. 100 for double the time = Rs. 20
True Discount on Rs. 120 = 120 ? 100 = Rs. 20
True Discount on Rs. 1 = 20/120
True Discount on Rs. 440 = 20 x 440/120 = 20 x 44/12 = 20 x 22 / 6 = 440 /6 = 73.2
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