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- A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec.
Question 1:
A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car. A. 25 km/hr
B. 30 km/hr
C. 35 km/hr
Feedback Time taken = 1 hr 40 min 48 sec = 126 /75hrs
Let the actual speed be x km/hr.
Then,5/7x x 126/75 = 42
x= (42x7x75/5x126)=35 km/hr.
Let the actual speed be x km/hr.
Then,5/7x x 126/75 = 42
x= (42x7x75/5x126)=35 km/hr.
D. 40 km/hr
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