Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6

Q.

The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. Find the average age of the two new men.

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

24 years 

b

22 years 

c

30 years 

d

28 years

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Suppose that the average age of of 8 men was x

Given that average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men

8x-21-23+a+b8=x+28x-44+a+b=8x+16a+b=60

Therefore, the average age of other two men is 602=30

Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. Find the average age of the two new men.