Number Series Completion - Study Mode
[#146] 4, 8, 22, 12, 16, 22, 20, 24, ... choose which pair of numbers comes next?
Correct Answer
(C) 22, 28
Explanation
Solution: This is an alternating repetition series, with a random number, 22, interpolated as every third number into an otherwise simple addition series. In the addition series, 4 is added to each number to arrive at the next number.
[#147] 40, 40, 31, 31, 22, 22, 13, ... choose which pair of numbers comes next?
Correct Answer
(A) 13, 4
Explanation
Solution: This is a subtraction series with repetition. Each number repeats itself and then decreases by 9.
[#148] 1, 10, 7, 20, 13, 30, 19, ... choose which pair of numbers comes next?
Correct Answer
(C) 40, 25
Explanation
Solution: Here, every other number follows a different pattern. In the first series, 6 is added to each number to arrive at the next. In the second series, 10 is added to each number to arrive at the next.
[#149] 10, 20, 25, 35, 40, 50, 55, ... choose which pair of numbers comes next?
Correct Answer
70, 65
Explanation
Solution: This is an alternating addition series, in which 10 is added, then 5, then 10, and so on.
[#150] 42, 40, 38, 35, 33, 31, 28, ... choose which pair of numbers comes next?
Correct Answer
(C) 26, 24
Explanation
Solution: This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.