Solution: How many students passed in both subjects?

A class of 40 students took examination in Electronics and Communications. If 30 passed in Electronics, 36 passed in Communication and 2 failed in both subjects, how many students passed in both subjects?

How many students passed in both subjects?

Problem Statement:

A class of 40 students took examination in Electronics and Communications. If 30 passed in Electronics, 36 passed in Communication and 2 failed in both subjects, how many students passed in both subjects?

Problem Answer:

The number of students who passed in both subjects is 28.

Solution:

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