#### Problem Statement: ECE Board November 1992

The probability for the ECE board examinees from a certain school to pass the subject Mathematics is 3/7 and for the subject Communications is 5/7. If none of the examinees fails both subject and there are 4 examinees who pass both subjects, find the number of examinees from that school who took the examinations.

#### Problem Answer:

There are **28 examinees** from a certain school who took the examinations.

### Latest Problem Solving in Venn Diagram, Permutation, Combination and Probability

More Questions in: Venn Diagram, Permutation, Combination and Probability