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Q1
:
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.
A
17
6
km/hr
7
B
25 km/hr
C
30 km/hr
D
35 km/hr
Solution
ANS:
D
- 35 km/hr
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
Share :
of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
