alleryA ਅਤੇ B ਦੀ ਗਤੀ 3 ਹੈ: 4। B ਨੂੰ ਉਸੇ ਰੂਟ 'ਤੇ 2 ਘੰਟੇ ਘੱਟ ਦੀ ਲੋੜ ਹੈ। A ਦੀ ਲੋੜ ਹੈ
A6.5 ਘੰਟੇ
B7 ਘੰਟੇ
C8 ਘੰਟੇ
D6 ਘੰਟੇ
Answer & Solution
Correct answer: C. 8 ਘੰਟੇ
ਸਮਾਂ 4 : 3 ਦੇ ਅਨੁਪਾਤ ਵਿੱਚ ਹੈ, ਇਸ ਲਈ ਇੱਕ ਹਿੱਸਾ 2 ਘੰਟੇ ਦਾ ਹੈ ਅਤੇ A ਨੂੰ 4 x 2 = 8 ਘੰਟੇ ਲੱਗਦੇ ਹਨ।
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