Question

How many numbers less than 100 are multiples of both 3 and 4?

• A. 7
• B. 8
• C. 6
• D. 12

Answer 1

Answer:

B. 8

Solution: The numbers multiple of 3 and 4 both are 12 and its multiples The numbers are 12, 24, 36…., 96 Nth term of an AP = a + (n - 1)d ⇒ 12 + (n - 1)12 = 96 ⇒ n = 8 ∴ Total numbers is 8.