106. A car travelling with of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.

✅ The correct answer is option D.
Time taken = 1 hr 40 min 48 sec = 1 hr 40
4
min = 1
51
hrs =
126
hrs.

5
75
75

Let the actual speed be x km/hr.

Then,
5
x x
126
= 42

7
75

x =

42 x 7 x 75

= 35 km/hr.

5 x 126