alleryਇੱਕ ਹਾਈਕਰ 12 km 4 km/h ਤੇ ਸੈਰ ਕਰਦਾ ਹੈ ਅਤੇ 1 h ਆਰਾਮ ਕਰਦਾ ਹੈ। ਆਰਾਮ ਸਮੇਤ ਔਸਤ ਗਤੀ?
A4 km/h
B3 km/h
C2 km/h
D5 km/h
Answer & Solution
Correct answer: B. 3 km/h
ਪੈਦਲ ਚੱਲਣ ਵਿੱਚ 12 ÷ 4 = 3 ਘੰਟੇ ਲੱਗਦੇ ਹਨ, ਇਸਲਈ ਬਾਕੀ ਦੇ ਸਮੇਤ ਔਸਤ ਗਤੀ 12 ÷ 4 = 3 km/h ਹੈ।
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