Question

A man driving at 3/4th of his original speed reaches his destination 20 minutes later than the usual time. Then the usual time is

• A. 45 minutes
• B. 60 minutes
• C. 75 minutes
• D. 120 minutes

Answer 1

Answer:

B. 60 minutes

1/3 of usual time = 20 minutes => usual time = (3x20) minutes = 60 minutes.