Question

Which option represents the factors of the numbers 40 and 60 which can be written in the common (purple) part of the circle?

• A. 1, 2, 4, 5, 15, and 25
• B. 1, 2, 4, 5, 10, and 20
• C. 1, 6, 4, 5, 10, and 25
• D. 1, 2, 4, 8, 10, and 25

Answer 1

The correct option is B 1, 2, 4, 5, 10, and 20

Factors of number 40 = 1, 2, 4, 5, 8, 10, 20, 40
Factors of number 60 = 1, 2, 4, 5, 6, 10, 15, 20, 30, 40
Common factors = 1, 2, 4, 5, 10 and 20