Question

Which two numbers should be placed in the blanks

below so that the difference between consecutive
numbers is the same?
19,,, 55
F. 20, 53
G. 27, 50
H. 30, 48
J. 31, 43
K. 34, 42

Answer 1

J. 31, 43

Explanation:

55 - 19 = 36

36/3 = 12

So it's

19 + 12 = 31

and

31 + 12 = 43.