Question
A car covers a certain distance in 25 hours. If it reduces the speed by $1/5$th, the car covers 200 km. less in that time. The speed of car is
Answer: Option B
Answer: (b)Speed of car = x kmph.Distance = Speed × Time = 25x km.Case II,Speed of car = ${4x}/5$ kmph.Distance covered= ${4x}/5 × 25$ = 20x km.According to the question,25x - 20x = 2005x = 200x = $200/5$ = 40 kmph.
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Answer: (b)Speed of car = x kmph.Distance = Speed × Time = 25x km.Case II,Speed of car = ${4x}/5$ kmph.Distance covered= ${4x}/5 × 25$ = 20x km.According to the question,25x - 20x = 2005x = 200x = $200/5$ = 40 kmph.
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