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Then it should be greater than 0 not equal to
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thanks, your explanation helped
SUVRODIP
We know that Dividend=divisor*quotient+rem
So x=1000q+(x/9)
Solving the above gives you x=1125q

But we also know that rem=x/9
So rem=x/9=1125q/9=125q

Now we know that 0<=remainder<divisor
So 0<=125q<1000
So the range of possible values of q should be 1,2,3,4,5,6,7 in order to satisfy the equation above. Hence, the answer is 7.

We are not considering 0 as a possible value since the question stem specifies that we need positive integers
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How many positive integers x are there such that when x is divided by 1000, the remainder is x/9?

x = 1000k + x/9;
8x/9 = 1000k
x = 9000k/8 = 1125k

Case 1: x = 1125
1125 = 1000 + 1125/9
Possible

Case 2: x = 1125*2 = 2250
2250 = 1000*2 + 2250/9
Possible

Case 3: x = 1125*3 = 3375
3375 = 1000*3 + 3375/9
Possible

Case 4: x = 1125*4 = 4500
4500 = 1000*4 + 4500/9
Possible

Case 5: x = 1125*5 = 5625
5625 = 1000*5 + 5625/9
Possible

Case 6: x = 1125*6 = 6750
6750 = 1000*6 + 6750/9
Possible

Case 7: x = 1125*7 = 7875
7875 = 1000*7 + 7875/9
Possible

Case 8: x = 1125*8 = 9000
9000 = 1000*9 <> 1000*8 + 9000/9
Not Possible

Case 9: x = 1125*9 = 10125
10125 = 1000*10 + 125 <> 1000*9 + 10125/9
Not possible

No other cases are possible

IMO E
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