railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Number System Quick Math
In a class there are 80 students. From canteen 57 students bought cake and 44 students bought cookies. If each student bought at least one item, what is the number of students bought both cake and cookies?
1
18
2
14
3
21
4
15