Question

There are 6 consecutive odd numbers. The difference between the square of the
average of the first three numbers and the square of the average of the last three
numbers is 288. What is the last odd number ?
(1) 31
(2) 27
(3) 29
(4) 25
(5) 33

Answer 1

the no are x-5, x-3 , x-1 , x+1 , x+3 , x+5 . On solution we get x=24 last no is 24+5=29.
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