The ratio of the present age of a man and his wife is 5 : 4 after 20 years the ratio of men and his wife could we
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let there ages be 50 and 40(5:4).
After 20 years there ages will be 70 and 60.
The ratio would be 7:6
After 20 years there ages will be 70 and 60.
The ratio would be 7:6
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