Question

(ii) Complete the following activity to find the sum of natural numbers between
1 and 140 which are divisible by 4.
The numbers between 1 and 140 divisible by 4 are 4, 8, 12, ..., 136
Here, a=4, d=4,1, = 136
at(n-1) d
... (Formula)
...136 = 1
+ (n - 1) x4
in=
S="
... (Formula)
Sus
24 18+
34
2
[8 +(34 - 1) x4]
Sul​

Answer 1

Answer:

that is answer 2520. ----