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प्रश्न
The difference between the ages of a woman and her son is 19 years and the sum of their ages is 37 years; find the age of the son.
उत्तर
Let age of son = x years
The age of woman = x + 19
∴ x + x + 19 = 37
⇒ 2x + 19 = 37
⇒ 2x = 37 - 19 = 18
⇒ x = `18/2 = 9`
∴ Age of son = 9 years
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