Question 51

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?

Solution

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Given, Average of N1 and N2 = 17
Then, N1 + N2 = 34 -- (1)
Average of N2 and N3 = 44
Then, N2+N3 = 88 -- (2)
Subtracting (1) from (2)
N2 + N3 - N1 - N2 = 88-34
N3 - N1 = 54.

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