Q. 115.0( 2 Votes )

Find the sum of all integers between 100 and 550, which are divisible by 9

Answer :

given an AP is required of all integers between 100 and 550, which are multiples of 9

To find: the sum of all integers between 100 and 550, which are divisible by 9


So, the sequence is 108, 117, 126….549


It is an AP whose first term is 108 and d is 9


Hence the sum is given by the formula


Now for the finding number of terms, the formula is




n = 50


substituting n in the sum formula we get



s = 16425


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses