SSC CGL – Combined Graduate Level Examination · প্রশ্ন 69

A bullet train covers a fixed distance in 30 minutes at an average speed of 240 km/h. Due to track maintenance, it needs to be diverted, increasing the distance by 20%. If the train needs to arrive at its destination on time (i.e., in 30 minutes), what should its new average speed be in km/h?

1. A280 km/h
2. B300 km/h
3. C288 km/h
4. D320 km/h