Question

14. The ratio between the speeds of two trains is 7 : 8. If the second train travels 400 km in 5 hours, then the time taken by the first train to travel 420 km is- a) 7 hours b) 6 hours c) 10 hours d) 8 hours?​

Answer 1

Answer:

Option b) 6 hrs ✌

refer to the attachment