alleryਇੱਕ ਕਿਸ਼ਤੀ 18 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਵਹਾਅ ਵੱਲ ਅਤੇ 10 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਉੱਪਰ ਵੱਲ ਜਾਂਦੀ ਹੈ। ਸਥਿਰ ਪਾਣੀ ਵਿੱਚ ਇਸਦੀ ਗਤੀ ਕਿੰਨੀ ਹੈ?
A8 km/h
B14 km/h
C16 km/h
D12 km/h
Answer & Solution
Correct answer: B. 14 km/h
ਸਥਿਰ ਪਾਣੀ ਦੀ ਗਤੀ ਦੋਵਾਂ ਦੀ ਔਸਤ ਹੈ, (18 + 10) / 2 = 14 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ।
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