A car can cover a certain distance in 41 hours.2 If the

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A car can cover a certain distance in 4 1 hours.
2
If the speed is increased by 5 km/hour, it would take
1 hour less to cover the same distance.
2

Find the slower speed of the car.

1. 50 km/hour
2. 40 km/hour
3. 45 km/hour
4. 60 km/hour

Correct Option: B

Let the initial speed of the car be x kmph and the distance be y km.

Then, y =	9	x ...(i)
	2

and, y = 4 (x + 5) ...(ii)

∴	9x	= 4 (x + 5)
	2

⇒ 9x = 8x + 40
⇒ x = 40 kmph