x+(x+1)+(x+2)+.....+(x+10) / 11 = ?
The question is basically asking for value of x
statement (1)
x+(x+1)+(x+2)+.....+(x+8) / 9 = 7
You can easily find the value of x. Sufficient.
statement (2)
(x+2)+(x+3)+.....+(x+10) / 9 = 9
You can easily find the value of x. Sufficient.
Thus, D is the answer.
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