allery40 km/h ਤੇ ਇੱਕ ਯਾਤਰਾ 1 h ਦੇਰ ਨਾਲ ਖਤਮ ਹੁੰਦੀ ਹੈ; 60 km/h, 1 h ਛੇਤੀ। ਅਨੁਸੂਚਿਤ ਮਿਆਦ?
A6 ਘੰਟੇ
B5 ਘੰਟੇ
C3 ਘੰਟੇ
D4 ਘੰਟੇ
Answer & Solution
Correct answer: B. 5 ਘੰਟੇ
ਦੂਰੀ d ਲਈ, d/40 − d/60 = 2 d = 240 km ਦਿੰਦਾ ਹੈ, ਇਸਲਈ ਅਨੁਸੂਚਿਤ ਮਿਆਦ 240 ÷ 40 − 1 = 5 ਘੰਟੇ ਹੈ।
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