Question

Total 100 members are writing exam. In that 48 members are writing first exam, 45 members are writing second exam and 38 members are writing third exam. 5 members are writing all the three exams. How many members are writing 2 exams ?
A) 26
B) 23
C) 27
D) 21

Answer 1

Total no. of members=100
no. of members writing on 1st exam=48
no. of members writing on 2nd exam=45
no. of members writing on 3rd exam =38
=48+45+38
= 131
no. of members writing all 3 exams=5
no.of members writing all 2 exams=131-100-5
=26