area is 800 m
4.
If so, find its length and breadth.
The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in
years was 48. Is the situation possible? If so, determine their present ages.
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the present ages of three persons are in proportion 5:6 :7. five years ago the sum of their ages was 39. find the sum of their present ages in years
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