The average of 30 numbers is 36. If Z is

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Average

Question:

The average of 30 numbers is 36. If Z is subtracted from each of these 30 numbers, then the average becomes 28. What is the value of Z ?

Options:

Correct Answer:

Explanation:

decrease in value of average = 36 - 28 = 8

If Average is decreased by 8 then each number is also decreased by 8 .

So , Value of Z = 8