The average of numbers N1 and N2 is 17. The average of numbers N2 and N3 is 44. What is the difference between N3 and N1?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 54.
| Understanding/Application |
|
Average of N1 and N2 = 17 Average of N2 and N3 = 44 |
|
N1 + N2 = 34 ...(1 N2 + N3 = 88 ...(2 Subtracting eq1 from 2 - N2 + N3 - N1 - N2 = 88 - 34 N3 - N1 = 54 |