Question
In 2016, Sam's age is a multiple of 5.
In 2017, Sam's age will be a multiple of 7. What is Sam's age in 2017?
(1) 14
(2) 21
(3) 35
(4) 36
In 2017, Sam's age will be a multiple of 7. What is Sam's age in 2017?
(1) 14
(2) 21
(3) 35
(4) 36
Answers
oobleck
20+1 = 21