Question

find thesum of all natural numbers between 200 and 500 which are divisible by 7

Answer 1

Answer:

The sum is 15050

Step-by-step explanation:

a=203 d=7 an=497

an=a +(n-1)d

(497-203)/7 = n-1

42=n-1

n=43

Sn=n/2(a+an)

S43=43/2(203+497)

S43=15050

PLS MARK AS BRAINLIEST

Answer 2

Answer:

fist divide able value is 203 and last is 497 and. that's become when we 7 ×40 it's become 280 280 add in 203 it become 483 then you add 7×2 it become 14than you add it in 483 it become 497 now we conut seven 40+2 it become 42 your anwr