alleryਮੀਨਾ 18 ਦਿਨਾਂ ਵਿੱਚ ਅਤੇ ਗੀਤਾ 9 ਦਿਨਾਂ ਵਿੱਚ ਵਾੜ ਨੂੰ ਪੇਂਟ ਕਰ ਸਕਦੀ ਹੈ। ਜੇਕਰ ਉਹ ਹੱਥ ਮਿਲਾਉਂਦੇ ਹਨ, ਤਾਂ ਵਾੜ
A5 ਦਿਨ
B6 ਦਿਨ
C7 ਦਿਨ
D8 ਦਿਨ
Answer & Solution
Correct answer: B. 6 ਦਿਨ
ਉਹ ਇਕੱਠੇ ਮਿਲ ਕੇ ਵਾੜ ਦੇ 1/18 + 1/9 = 3/18 = 1/6 ਨੂੰ ਰੋਜ਼ਾਨਾ ਪੇਂਟ ਕਰਦੇ ਹਨ, ਇਸ ਲਈ 6 ਦਿਨ।
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