Travelling at 60 km/h, a person reaches his destination in a certain t
| Travelling at 60 km/h, a person reaches his destination in a certain time. He covers 60% of his journey in 
of the time. At what speed (in km/h) should he travel to cover the remaining journey so that he reaches the destination right on time?
of the time. At what speed (in km/h) should he travel to cover the remaining journey so that he reaches the destination right on time?
A. 42
B. 48
C. 36
D. 40
Right Answer is: D
SOLUTION
Let he covers the total distance in 
hours
Then,the total distance
km
60 % of 300
He covers 180
km in 2
hours
Remaining distance 
Remaining time 
Required speed 
km/hr
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