Ram and Lakshman take part in a 200 m race. Ram beats Lakshman by 15 seconds. If Ram's speed is 2 m/s, find the time taken by Lakshman to finish the race.
A
115 seconds
B
100 seconds
C
85 seconds
D
105 seconds
Correct Option - A
Explaination
Time taken by Ram to finish
= 200/2
= 100 seconds
Ram beats Lakshman by 15 s.
Time taken by Lakshman to finish
= 115 seconds