alleryਇੱਕ ਸਾਈਕਲ ਸਵਾਰ 20 km 10 km/h ਤੇ, ਫਿਰ 40 km 20 km/h 'ਤੇ ਸਵਾਰੀ ਕਰਦਾ ਹੈ। ਕੁੱਲ ਸਮਾਂ?
A3 ਘੰਟੇ
B6 ਘੰਟੇ
C5 ਘੰਟੇ
D4 ਘੰਟੇ
Answer & Solution
Correct answer: D. 4 ਘੰਟੇ
ਦੋ ਪੜਾਵਾਂ ਵਿੱਚ 20 ÷ 10 = 2 ਘੰਟੇ ਅਤੇ 40 ÷ 20 = 2 ਘੰਟੇ ਲੱਗਦੇ ਹਨ, ਕੁੱਲ 4 ਘੰਟੇ।
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