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Among the following, which single-digit number is the same after half a turn?

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$1$

$5$

$6$

$7$

answer is A.

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Detailed Solution

The correct option is (A),

If we make a half turn or rotate the given numbers, we can see that only the number “ $1$ ” is the same after the half turn. All the others change their shapes and are not the same after the rotation.

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