alleryਇੱਕ ਸਵਾਰ ਪਹਿਲੇ ਅੱਧ ਲਈ 40 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਅਤੇ ਦੂਜੇ ਅੱਧ ਲਈ 60 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਦੀ ਰਫ਼ਤਾਰ ਵਰਤਦਾ ਹੈ। ਔਸਤ ਗਤੀ ਕਿੰਨੀ ਹੈ?
A48 km/h
B50 km/h
C54 km/h
D52 km/h
Answer & Solution
Correct answer: B. 50 km/h
ਬਰਾਬਰ ਗੁਣਾ ਦੇ ਨਾਲ ਔਸਤ ਗਤੀ ਸਧਾਰਨ ਔਸਤ ਹੈ, (40 + 60) / 2 = 50 km/h।
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