Write the next three numbers in the given pattern
12, 23, 34, ___, ___, ___
45, 56, 67
Here, 23 – 12 = 11
34 – 23 = 11
Therefore, if 11 is added each time to the previous number we get the next number.
i.e. 34 + 11 = 45
45 +11 = 56
56 + 11 = 67
Thus the numbers are 45, 56, 67