TS ICET 2015 Question Paper with Solutions for online practice

Question : 134 of 200

Marks: +1, -0

The sum of all the natural numbers between 1 and 100 which are divisible by 7 is

Solution:

There are 14 natural numbers between 1 and 100 which are divisible by 7,
7, 14, 21 ...., 98
It is an A.P.
a = 7, d = 7, n = 14
∴ Sum

=14/2[7+28]=7×105=735

Go to Question:

Prev Question

Next Question