An integer is added to its half. The number formed is added to its half. Final number formed is eq

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29 Jul 2010 Sum of numbers?

An integer is added to its half. The number formed is added to its half. Final number formed is equal to 9.
Sum of the final formed number and original integer is

OPtion

1) 12
2) 13
3) 11
4) 10
5) 9
6) 14
7) 15
8) 16
9) 17
10) 18

Solution

{x + (x/2)} + [{x + (x/2)}/2] = 9
x + (x/2) + (x/2) + (x/4) = 9
9x/4 = 9
x = 4
Hence sum of final formed number and original integer is 9+4 = 13

Correct Option: 2 Best Solution (7)