A can run 250 m in 25 sec and B in 30 sec. How many metres start can A give to Bina km race so that the race may end in a dead-heat?
a) 133.33
b) 166.40
c) 155.55
d) 167.50
Sol:
Given:
A can run 250 m in 25 sec and B in 30 seconds.
Calculations:
A can run 250 m in 25 seconds
⇒A can run 1 km in 100 seconds
Similarly B can run 1 km in 120 seconds
Distance covered by B in extra 20 seconds