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1. |
A certain sum increases by 50 % in 5 years. Three sums x, y and z are lent for 10, 15 and 20 years respectively. If amount on each sum is equal, then find the ratio of x, y and z. |
A. | 6 : 5 : 4 |
B. | 9 : 4 : 6 |
C. | 9 : 6 : 5 |
D. | 9 : 6 : 4 |
Answer» E. | |