My Learning Cart
?
Categories
Account

If the average of a, b, c is 12 and the average of b, c, d is 15, what is the va

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

What’s inside this PDF?

Question: If the average of a, b, c is 12 and the average of b, c, d is 15, what is the value of d?

Options:

  1. 18
  2. 20
  3. 22
  4. 24

Correct Answer: 20

Solution: 

From a, b, c: a + b + c = 36. From b, c, d: b + c + d = 45. Subtracting gives a = 45 - 36 = 9. Thus, d = 15 + 9 = 24.

If the average of a, b, c is 12 and the average of b, c, d is 15, what is the va

Practice Questions

Q1
If the average of a, b, c is 12 and the average of b, c, d is 15, what is the value of d?
  1. 18
  2. 20
  3. 22
  4. 24

Questions & Step-by-Step Solutions

If the average of a, b, c is 12 and the average of b, c, d is 15, what is the value of d?
  • Averages – Understanding how to calculate averages and manipulate equations involving sums.
  • Algebraic Manipulation – Ability to rearrange and solve equations based on given information.
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