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PUNE MCA Exam 2017 Question Paper with answers for online practice

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Question : 12 of 41

Marks: +1, -0

Seven digit from the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 are chosen at random then the probability that a number formed of 7 digit r7 and r7 is divided by 9 is;

2/9
7/36
1/9
7/12

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