My Learning Cart
?
Categories
Account

The average age of a group of 10 people is 30 years. If two new members join the

₹0.0
Login to Download
  • 📥 Instant PDF Download
  • ♾ Lifetime Access
  • 🛡 Secure & Original Content

What’s inside this PDF?

Question: The average age of a group of 10 people is 30 years. If two new members join the group, increasing the average age to 32 years, what is the average age of the new members?

Options:

  1. 36
  2. 38
  3. 40
  4. 42

Correct Answer: 40

Solution: 

Total age of 10 people = 10 * 30 = 300. New total age = 12 * 32 = 384. Age of new members = 384 - 300 = 84. Average age of new members = 84 / 2 = 42.

The average age of a group of 10 people is 30 years. If two new members join the

Practice Questions

Q1
The average age of a group of 10 people is 30 years. If two new members join the group, increasing the average age to 32 years, what is the average age of the new members?
  1. 36
  2. 38
  3. 40
  4. 42

Questions & Step-by-Step Solutions

The average age of a group of 10 people is 30 years. If two new members join the group, increasing the average age to 32 years, what is the average age of the new members?
Correct Answer: 42
  • Step 1: Calculate the total age of the original group of 10 people. Since the average age is 30 years, multiply 30 by 10. Total age = 30 * 10 = 300 years.
  • Step 2: Calculate the new total age after 2 new members join. The new average age is 32 years for 12 people. Multiply 32 by 12. New total age = 32 * 12 = 384 years.
  • Step 3: Find the total age of the new members by subtracting the original total age from the new total age. Age of new members = 384 - 300 = 84 years.
  • Step 4: Calculate the average age of the new members. Since there are 2 new members, divide their total age by 2. Average age of new members = 84 / 2 = 42 years.
  • Average Calculation – Understanding how to calculate the average age based on total age and number of individuals.
  • Total Age Calculation – Ability to derive total age from average age and number of people.
  • Impact of New Members on Average – Analyzing how the addition of new members affects the overall average.
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely
Home Practice Performance eBooks