alleryA, B ਤੋਂ ਦੁੱਗਣਾ ਪੁਰਾਣਾ ਹੈ। B, 3, C ਤੋਂ ਸਾਲ ਪੁਰਾਣਾ ਹੈ। ਜੇਕਰ C, 5 ਹੈ, ਤਾਂ A ਕਿੰਨੀ ਉਮਰ ਦਾ ਹੈ?
A18
B13
C16
D10
Answer & Solution
Correct answer: C. 16
C = 5. B = C + 3 = 8. A = 2B = 16.
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