Question

44. If a man travels at a speed of 30 km/h, he
reaches his destination 10 min late and if he
travels at a speed of 42 km/h, he reaches his
destination 10min early. The distance
travelled is​

Answer 1

Let x be required distance.

be required distance.x/s=t

now

by 1 st condition

x/30=t+1/15. ( 4 minutes=1/15 hours)

and by second equation

x/30=t-1/6

from above equations,

x/25 -1/15=x/30 +1/6

so

x=35 km

ans is 35 km

hope it helps u mate