allery60 km ప్రయాణంలో, 20 km/hకి బదులుగా 30ని ఉపయోగించడం ద్వారా ఎంత సమయం ఆదా అవుతుంది?
A2 గంటలు
B1/4 గంట
C1 గంట
D1/2 గంట
Answer & Solution
Correct answer: C. 1 గంట
ప్రయాణ సమయాలు 60 ÷ 20 = 3 గంటలు మరియు 60 ÷ 30 = 2 గంటలు, 1 గంట ఆదా అవుతుంది.
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