What will be the probability of selecting 2 integers with same unit\'s place in such a way that the

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19 Apr 2011 probability

What will be the probability of selecting 2 integers with same unit's place in such a way that the unit's place of the product of these 2 integers would be same as that of the given integers

OPtion

1) 1/2
2) 2/3
3) 4/5
4) 5/8
5) 16/19
6) 1/25
7) 2/27
8) 3/32
9) 4/35
10) 5/39

Solution

Possible unit's place are 0, 1, 5, 6
So probability = (4/10)* (1/10) = 1/25

Correct Option: 6 Best Solution (0)