Question

how many numbers are there from 300 to 700 which are divisible by 2,3, and 7 ?

• A. 7
• B. 8
• C. 9
• D. 10

Answer 1

Answer:

C. 9

LCM(2, 3, 7) = 42 first number is = 336 last number = 672 number of terms = (672 - 336)/42 + 1 = 9 OR 700/42 = 16 299/42 = 7 number of terms = 16 - 7 = 9