alleryਇੱਕ ਡਰਾਈਵਰ 3 ਘੰਟੇ 40 ਕਿਲੋਮੀਟਰ/ਘੰਟੇ ਦੀ ਰਫ਼ਤਾਰ ਨਾਲ ਅਤੇ ਫਿਰ 2 ਘੰਟੇ 60 ਕਿਲੋਮੀਟਰ/ਘੰਟੇ ਦੀ ਰਫ਼ਤਾਰ ਨਾਲ ਰਫ਼ਤਾਰ ਫੜਦਾ ਹੈ। ਔਸਤ ਗਤੀ ਕਿੰਨੀ ਹੈ?
A46 km/h
B48 km/h
C50 km/h
D52 km/h
Answer & Solution
Correct answer: B. 48 km/h
ਦੂਰੀ 120 + 120 = 240 ਕਿਲੋਮੀਟਰ 5 ਘੰਟਿਆਂ ਵਿੱਚ ਹੈ, ਇਸ ਲਈ ਔਸਤ 48 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਹੈ।
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