A) \[\frac{2}{10}\]
B) \[\frac{3}{10}\]
C) \[\frac{4}{10}\]
D) \[\frac{9}{25}\]
Correct Answer: B
Solution :
The last digit of square will be 1 or 5 only when the integer is 1, 5 or 9. \ Required probability\[=\frac{3}{10}\].
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