Question
A sum of money lent at compound interest at the rate of
10% per annum is paid back in three equal instalments of Rs 3,993. Find the sum?Solution
Sum = Instalment {10/11 + (10/11)2 + (10/11)3 } Sum = 3,993 {10/11 + 100/121 + 1000/1331} = 3993 {(1210 + 1100 + 1000)/1331} = 3993 {3310/1331} = Rs 9930
More Simple and compound interest Questions
- A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN
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