alleryA ਬਣਾਉਂਦਾ ਹੈ 6 ਯੂਨਿਟ/h; B 4 ਯੂਨਿਟਾਂ/h ਬਣਾਉਂਦਾ ਹੈ ਅਤੇ 2 h ਬਾਅਦ ਵਿੱਚ ਸ਼ੁਰੂ ਹੁੰਦਾ ਹੈ। A ਦੀ ਸ਼ੁਰੂਆਤ ਤੋਂ, 92 ਯੂਨਿਟ ਕਦੋਂ ਕੀਤੇ ਜਾਂਦੇ ਹਨ?
A10 h
B9 h
C11 h
D12 h
Answer & Solution
Correct answer: A. 10 h
ਜੇਕਰ A t ਘੰਟੇ ਕੰਮ ਕਰਦਾ ਹੈ, 6t + 4(t − 2) = 92 t = 10 ਘੰਟੇ ਦਿੰਦਾ ਹੈ।
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