Question

The sum of the number divisible by 7 between the 100 to 300 will be​

Answer 1

Answer:

Explanation:

No divisible by 7 between 100 and 300 are

105,112,............294

Here a= 105 ,d= 7, l=294

l= a+(n-1)d

294=105+(n-1)7

(294-105)/7=n-1

189/7=n-1

27=n-1

28=n

S =n(2a+(n-1)d)/2

=28(2*105+27*7)/2

=14(210+189)

=14(399)

=5586

Required answer=5586

Hope it helps you!!!!!!