alleryਬੱਚੇ ਦੀ ਉਮਰ ਦਾ ਦੁੱਗਣਾ ਅਤੇ 4 12 ਦੇ ਬਰਾਬਰ ਹੁੰਦਾ ਹੈ। ਸਾਲਾਂ ਵਿੱਚ ਬੱਚੇ ਦੀ ਉਮਰ ਹੈ
A4
B6
C2
D8
Answer & Solution
Correct answer: A. 4
2x + 4 = 12 2x = 8 ਦਿੰਦਾ ਹੈ, ਇਸ ਲਈ x = 4।
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