A) 0 or 5
B) 0 or 1 or 9
C) 0 or 2 or 6
D) 0 or 4 or 8
Correct Answer: C
Solution :
\[1+\sqrt{1}=2\] \[4+\sqrt{4}=6\] \[9+\sqrt{9}=12\] \[16+\sqrt{16}=20\] \[25+\sqrt{25}=30\] \[36+\sqrt{36}=42\] Thus, we get the unit digits as 0, 2 and 6.You need to login to perform this action.
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