alleryਇੱਕ ਇਨਲੇਟ ਪਾਈਪ ਇੱਕ ਟੈਂਕ ਨੂੰ 6 ਘੰਟਿਆਂ ਵਿੱਚ ਭਰਦਾ ਹੈ ਅਤੇ ਦੂਜਾ 12 ਘੰਟਿਆਂ ਵਿੱਚ। ਦੋਵੇਂ ਇਕੱਠੇ ਖੁੱਲ੍ਹਦੇ ਹਨ ਤਾਂ ਇਸਨੂੰ ਭਰੋ।
A9 ਘੰਟੇ
B5 ਘੰਟੇ
C4 ਘੰਟੇ
D3 ਘੰਟੇ
Answer & Solution
Correct answer: C. 4 ਘੰਟੇ
ਭਰਨ ਦੀਆਂ ਦਰਾਂ ਟੈਂਕ ਦੇ ਪ੍ਰਤੀ ਘੰਟਾ 1/6 + 1/12 = 3/12 = 1/4 ਵਿੱਚ ਜੋੜਦੀਆਂ ਹਨ, ਇਸ ਲਈ 4 ਘੰਟੇ।
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