Question

Q. The sun of the first three common multiples of 3,4 and 9 is

A) 108
B) 144
C) 252
D) 216

Note : this question is from exemplar class 9 Mathematics book Chapter 1 Number system. example no. 7 page no. 3

​

Answer 1

Answer:

D) 216

Step-by-step explanation:

LCM (3,4,9) = 4 x 9 = 36

So, First three common multiples of 3,4,9 are 36, 72, 108.

So, the sum of first three common multiples of 3,4,9 = 36 + 72 + 108 = 216

Hope this helps!!!