SSC CGL – Combined Graduate Level Examination · Question 65
An express train covers a fixed distance in 40 minutes at an average speed of 200 km/h. Due to construction work, it needs to be diverted, increasing the distance by 25%. If the train needs to arrive at its destination on time (in 40 minutes), what should its new average speed be in km/h?
Show answer & explanation
Answer: (A) 250 km/h
Explanation
Distance +25% in the same time means speed +25%: 200 × 1.25 = 250 km/h.