alleryਇੱਕ ਪਿਤਾ ਆਪਣੇ ਪੁੱਤਰ ਦੀ ਉਮਰ ਦਾ ਤਿੰਨ ਗੁਣਾ ਹੈ। 12 ਸਾਲਾਂ ਵਿੱਚ ਉਸਦੀ ਉਮਰ ਦੁੱਗਣੀ ਹੋਵੇਗੀ। ਪਿਤਾ ਦੀ ਹੁਣ ਉਮਰ
A36
B48
C30
D42
Answer & Solution
Correct answer: A. 36
3x + 12 = 2(x + 12) ਤੋਂ, x = 12, ਇਸ ਲਈ ਪਿਤਾ 36 ਹੈ।
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