Question

which is the smallest 4 digit number that will look same on a 1/2 turn
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Answer 1

Answer:

-1/2,-2/2,-3/2 ,-4/2

Answer 2

Answer:

0, 1 and 8 are the numbers that look the same after half a turn. (4) 2 digit numbers that look the same on half a turn are 11, 88.