In a 500m race, Akram beats Imran by 50 meters. Imran beats Waqar by 50 meters.
By how many meters does Akram beat Waqar in the same race?
95 m
While Akram covers 500 meters, Imran can cover 450 meters.
⇒ While Imran covers 500 meters, Waqar can cover 450 meters.
⇒ Lets assume that all three of them are running same race.
So, when Imran runs 450 meters, Waqar can run 450 × 910=405
⇒ So Akram beats Waqar by 95 meters.