Question

Give the sum of these numbers .
From 31 to 40 = _____​

Answer 1

To find sum of ten consecutive numbers

10x+45. (x=31)

10(31)+45

310+45

= 335

Answer 2

QUESTION⤵

Give the sum of these numbers .

From 31 to 40

=10x+45

=10(31)+45

=310+45

=355

(x=31)