Question

What is the sum of the first five multiples of 7?

• A. 90
• B. 105
• C. 110
• D. 100

Answer 1

The correct option is B 105

First 5 multiples of 7 are $7\times 1,7\times 2,7\times 3,7\times 4\text{and}7\times 5.$
i.e., 7, 14, 21, 28, 35

$\therefore$ The sum of the first five multiples of 7 is given by
$7+14+21+28+35=105.$