other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Number System Quick Math
Classes in a college start every day at 10 A.M. and have four classes a day. Each class is of 48 minutes duration and the classes get over at 1:27 P.M. What is the gap between two consecutive classes?
1
5 minutes
2
10 minutes
3
7 minutes
4
15/4 min