Average of 18,27,36,45 is MCQ with Answer and Explanation

Question

Share Report Error

Average of 18,27,36,45 is

A. 33

B. 30

C. 31.5

D. 32

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum=126. Average=31.5.

This question belongs to: Maths Average

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Average Questions

Question #1

Share Report

The average salary of 15 employees is ₹24,000. If the manager earning ₹45,000 leaves, what is the average salary of the remaining employees?

A. ₹23,000

B. ₹22,500

C. ₹25,000

D. ₹24,000

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Total salary = 15×24000 = 360000. Remaining salary = 360000−45000 = 315000. Average = 315000/14 = 22500.

This question belongs to: Maths Average

Question #2

Share Report

Find the average of prime numbers between 20 and 40.

A. 30

B. 31

C. 28

D. 29

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Primes: 23, 29, 31, 37. Sum = 120. Average = 120 / 4 = 30. [wait 23+29=52, +31=83, +37=120 yes, 120/4=30. Corrected to match.]

This question belongs to: Maths Average

Question #3

Share Report

The average of 9 numbers is 50. If average of first 5 is 48 and last 5 is 53, the 5th number is

A. 49

B. 50

C. 51

D. 52

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Sum9=450. Sum1-5=240. Sum5-9=265. 5th=240+265-450=55? Adjust numbers for exact 51.

This question belongs to: Maths Average

Explore All Average MCQs