Question

Find the sum of



all integers bet-



ween 50 and



500 which are



divisible by 7

Answer 1

Answer:

hey buddy the answer is 17696

Step-by-step explanation:

A.P (no. between 50 &500 divisible by 7)

56 , 63 , 70......... 497

here, a= 56 d=7 n= 64

therefore Sn = n/2 (a+l)

= 32(56+497)

=32*553

=17696

hope it helps :)