15 years ago the difference between the ages of two persons was 10 years. The elder one was twice as old as the younger one. The present age of the elder person is:

15 years ago the difference between the ages of two persons was 10 yea

1.	15 years ago the difference between the ages of two persons was 10 years. The elder one was twice as old as the younger one. The present age of the elder person is:
A.	25 years
B.	35 years
C.	45 years
D.	55 years
E.	None of these
Answer» C. 45 years

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15 years ago the difference between the ages of two persons was 10 years. The elder one was twice as old as the younger one. The present age of the elder person is:

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