Question

Q.24 When a new bridge is built, the average time taken by a bus to travel from one city to
another is reduced from 50 minutes to 40 minutes. What is the percentage decrease
in time taken to travel between two cities?
1. 10%
2. 20%
3. 45%
4. 50%

Answer 1

Answer:

2. 20%

this should be the right answer.