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Question

The mean of x,x+3,x+6,x+9 and x+12 is
  1. x+6
  2. x+9
  3. x+3
  4. x+12

A
x+6
B
x+9
C
x+3
D
x+12
Solution
Verified by Toppr

By definition,
Average=x+(x+3)+(x+6)+(x+9)+(x+12)5
=5x+305=x+6

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