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The average of the three numbers x, y an...

The average of the three numbers x, y and z is 45. x is greater than the average of y and z by 9. The average of y and z is greater than y by 2. Then the difference of x and z is:

A

a) 3

B

b) 5

C

c) 7

D

d) 11

Text Solution

Verified by Experts

The correct Answer is:
C
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