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प्रश्न
Mohan is 3 years older than Sohan. The sum of their ages is 43 years.
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उत्तर
Let age of Sohan be x yr
Then, the age of Mohan is (x + 3)yr
∴ Sum of their ages = 43
So, the equation formed is x + (x + 3) = 43.
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