My Learning Cart
?
Categories
Account

The average of 12 numbers is 15. If one number is removed, the average becomes 1

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

What’s inside this PDF?

Question: The average of 12 numbers is 15. If one number is removed, the average becomes 14. What is the removed number?

Options:

  1. 16
  2. 17
  3. 18
  4. 19

Correct Answer: 18

Solution: 

Total of 12 numbers = 12 * 15 = 180. Total of 11 numbers = 11 * 14 = 154. Removed number = 180 - 154 = 26.

The average of 12 numbers is 15. If one number is removed, the average becomes 1

Practice Questions

Q1
The average of 12 numbers is 15. If one number is removed, the average becomes 14. What is the removed number?
  1. 16
  2. 17
  3. 18
  4. 19

Questions & Step-by-Step Solutions

The average of 12 numbers is 15. If one number is removed, the average becomes 14. What is the removed number?
  • Average Calculation – Understanding how to calculate the average and how it changes when numbers are added or removed.
  • Total Sum Derivation – Calculating the total sum of a set of numbers based on their average.
  • Difference Calculation – Finding the difference between total sums to determine the removed number.
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