Question Detail

MTH 101 Set Theory Objective Question

Question

In a company, 40 employees know Excel, 30 know Word, 15 know both. How many know only Word?
Options
A 15
Correct Answer
B 10
C 30
D 25
Correct Answer

Option A is the correct answer.

Detailed Explanation

Word only = 30 − 15 = 15.

Hint

Subtract those knowing both from Word set.

Question Info