alleryਇੱਕ ਬੱਸ 2 h ਵਿੱਚ 90 km, ਫਿਰ 60 km 1 h ਵਿੱਚ ਕਵਰ ਕਰਦੀ ਹੈ। ਇਸਦੀ ਸਮੁੱਚੀ ਔਸਤ ਗਤੀ?
A45 km/h
B60 km/h
C55 km/h
D50 km/h
Answer & Solution
Correct answer: D. 50 km/h
ਸਮੁੱਚੀ ਔਸਤ ਗਤੀ ਹੈ (90 + 60) ÷ (2 + 1) = 50 km/h।
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