alleryਇੱਕ 100 ਕਿਲੋਮੀਟਰ ਦੀ ਯਾਤਰਾ 'ਤੇ ਪਹਿਲੇ 60 ਕਿਲੋਮੀਟਰ 30 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਦੀ ਰਫ਼ਤਾਰ ਨਾਲ ਦੌੜਦੇ ਹਨ ਅਤੇ ਬਾਕੀ 40 ਕਿਲੋਮੀਟਰ 20 ਕਿਲੋਮੀਟਰ/ਘੰਟਾ ਦੀ ਰਫ਼ਤਾਰ ਨਾਲ ਦੌੜਦੇ ਹਨ। ਔਸਤ ਗਤੀ?
A24 km/h
B26 km/h
C25 km/h
D28 km/h
Answer & Solution
Correct answer: C. 25 km/h
ਸਮਾਂ 2 h ਅਤੇ 2 h ਹੈ, ਇਸ ਲਈ 4 h ਵਿੱਚ 100 km 25 km/h ਦਿੰਦਾ ਹੈ।
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