Question

The sum of first five multiples of 6 is ___.

• A. 30
• B. 60
• C. 90
• D. 120

Answer 1

The correct option is C

90

First 5 multiples of 6: $6,12,18,24,30$
Sum of first 5 multiples of 6 is : $6+12+18+24+30=90$