Question

find the sum of all natural numbers between 100 and 250 that are divisible by 2 as well as 3

Answer 1

The natural number between 100 and 250 that are divisible by 2 and 3 are ;

102,108,114,120,................240,246

Here,
a = 102
d = 6
l = 246

l= a+(n-1)d
246 = 102+(n-1)6
n = 25

Sn = n/2 (a+l)
S25 = 25/2 (102+246)
= 25/2(348)
= 4350

your answer is 4,350

hope this helped you. .. !

Answer 2

Answer:

Hope it will be helpful..✌️