Question

sum of all integers which are divisible by 7 between 150 and 1500​

Answer 1

Answer:

159418

Step-by-step explanation:

ap=154,161.........1498

an=154+7n-7

1498-147=7n

1351=7n

n=193

sn=193/2(154+1498

=193(77+749)

=159418