Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Average

Question:

The average of all the odd numbers up to 100 will be:

Options:

50

50.5

48

48.5

Correct Answer:

50

Explanation:

Odd numbers upto 100 are 1,3,5,7......,97,99.

Number of odd numbers upto 100 = 50

Sum of odd number = Sum of AP of Odd numbers = n/2 (a+l) = 50/2 (1+99) = 25*100= 2500

Average = 2500/50 = 50

The correct answer is Option (1) → 50