alleryFor 100 km, a car raises its speed from 20 km/h by 25%. Time saved?
A1/4 hour
B1/2 hour
C1 hour
D2 hours
Answer & Solution
Correct answer: C. 1 hour
The new speed is 25 km/h, reducing travel time from 100 ÷ 20 = 5 hours to 100 ÷ 25 = 4 hours and saving 1 hour.
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