The least number which is divisible by each of the numbers 14, 21, and 28 is:
Show answer & explanation
Correct answer: C
Explanation
Given:
Numbers = 14, 21, 28
Formula:
Smallest number = LCM (14, 21, 28)
14 = 2 × 7
21 = 3 × 7
28 = 2² × 7
LCM = 2² × 3 × 7
LCM = 4 × 3 × 7
LCM = 84
Smallest number = 84