A school conducts 5 classes between 9:00 AM and 12:30 PM. After each class, there is a 5-minute break. If all classes are of equal duration, what is the exact duration (in minutes) of each class?
(a) 42 minutes.
(b) 37 minutes.
(c) 38 minutes.
(d) 40 minutes.

Question

A school conducts 5 classes between 9:00 AM and 12:30 PM. After each class, there is a 5-minute break. If all classes are of equal duration, what is the exact duration (in minutes) of each class?
(a) 42 minutes.
(b) 37 minutes.
(c) 38 minutes.
(d) 40 minutes.

ONLiNE UPSC · Accepted Answer

Total time = 210 minutes
Breaks = 4 &times; 5 = 20 minutes
Time for classes = 210 &ndash; 20 = 190 minutes
Each class = 190 &divide; 5 = 38 minutes

Hence, option c is correct.

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M Question 1	⏱ 0
A school conducts 5 classes between 9:00 AM and 12:30 PM. After each class, there is a 5-minute break. If all classes are of equal duration, what is the exact duration (in minutes) of each class? (a) 42 minutes. (b) 37 minutes. (c) 38 minutes. (d) 40 minutes.