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I wud say OA is wrong, what's the source and the explanation ?
These are from the set of questions you have to pay for from the gmatclub site.
The OA is 130.
For 3 digit numbers- for the hundredths digit (4 numbers) x tens digit (5 numbers) x units digit (5 numbers) = 100
2 digit numbers- for tens digit (5 numbers) x units digit (5 numbers) = 5
1 digit numbers- 5 numbers
Total is 100+25+5=130