total 100 members are writing exam. In the 48 members are writing first exam. 45 members are writing second exam. 38 members are writing third exam. 5 members are writing all the three exams.How many members are writing 2 exams?
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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
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26 is the right answer....
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