Multiple choice

Directions: Choose the pair of the numbers which comes next in the given series:

75, 65, 85, 55, 45, 85, 35, ...

  1. 25, 15

  2. 25, 85

  3. 35, 25

  4. 85, 35

  5. 25, 75
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is a simple subtraction series in which a random number 85 is interpolated as every third number. In the subtraction series, 10 is subtracted from each number to arrive at the next.

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