Mathematics
NULL
Medium
Question
If Afnan drives at 4/5 of his usual speed, he is 6 minutes late. What is his usual time to reach the office?
A
36
B
24
✓ Official correct answer
C
30
D
18
Community credibility
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A
36
No member explanations yet for this option.
B
24
No member explanations yet for this option.
C
30
No member explanations yet for this option.
D
18
No member explanations yet for this option.
Explanation
At 4/5 speed, time becomes 5/4 of usual time T. Extra time = T/4 = 6 minutes ⇒ T = 24 minutes.