alleryA 180 km ਸਫ਼ਰ 3.5 h: 60 km 30 km/h ਤੇ, 60 km at 60 km/h. ਆਖਰੀ ਗਤੀ?
A150 km/h
B120 km/h
C90 km/h
D100 km/h
Answer & Solution
Correct answer: B. 120 km/h
ਪਹਿਲੇ ਦੋ ਪੜਾਅ 2 + 1 = 3 ਘੰਟੇ ਲੈਂਦੇ ਹਨ, 60 ÷ 0.5 = 120 km/h 'ਤੇ 60 km ਲਈ 0.5 ਘੰਟੇ ਛੱਡਦੇ ਹਨ।
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