83, 73, 93, 63, __, 93, 43. What number should fill the blank?

by Mr. DJ

83, 73, 93, 63, __, 93, 43. What number should fill the blank?

A. 33
B. 53
C. 73
D. 93

Answer & Solution

Answer: Option B
Solution:

This is a simple subtraction series in which a random number, 93, is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next.

83, 73, 93, 63, __, 93, 43. What number should fill the blank?

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