Q:
Speed Maths Test
3 5 10 12 18 20 32 33 35 44 49 54 56 60
From the list above, how many pairs of numbers have a difference of 12?
Answer
From the given list of numbers, by observing
Only 3 pairs of numbers have the difference of 12.
They are
20 - 32
44 - 32
44 - 56.
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