Question

5. Rahul covers 1/4th of his journey at 25
km/hr, 1/5th
of his journey at 12 km/hr and the remaining
distance at 15 km/hr. If he takes 19 hours in all, what
is the total distance traveled by Rahul?
a) 300 km
b) 106 km
c) 415 km
d) None.

please give explanation also and a shortcut method​

Answer 1

Answer:

106

I don't know shortcut method