Question

What is the average of first 22 multiples of 2.2?

A 25.3 Correct Answer Incorrect Answer
B 35.1 Correct Answer Incorrect Answer
C 23.1 Correct Answer Incorrect Answer
D 52.8 Correct Answer Incorrect Answer

Solution

First term = 2.2 x 1 = 2.2 Last term = 2.2 x 22 = 48.4 Required average = (2.2 + 48.4)/2 = 25.3

Practice Next

Relevant for Exams:

×
×