A sum of money lent out at compound interest increases in value by 50%in 5 years. A person wants to lend three different sums x, y and z for 10, 15 and 20 years respectively at the above rate in such a way that he gets back equal sums at the end of their respective periods. The ratio x : y : z is = ?

A sum of money lent out at compound interest increases in value by 50%

1.	A sum of money lent out at compound interest increases in value by 50%in 5 years. A person wants to lend three different sums x, y and z for 10, 15 and 20 years respectively at the above rate in such a way that he gets back equal sums at the end of their respective periods. The ratio x : y : z is = ?
A.	: 9 : 4
B.	: 4 : 6
C.	: 6 : 4
D.	: 4 : 9
Answer» D. : 4 : 9

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