Logical Problems
Direction: Look carefully for the pattern, and then choose which pair of numbers comes next. Note also that you will be choosing from five options instead of four.
 16 , 26 , 56 , 36 , 46 , 68 , 56

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Here, every third number follows a different pattern from the main series. In the main series, beginning with 16, 10 is added to each number to arrive at the next.
Correct Option: C
Here, every third number follows a different pattern from the main series. In the main series, beginning with 16, 10 is added to each number to arrive at the next. In the alternating series, beginning with 56, 12 is added to each number to arrive at the next.
 13 , 29 , 15 , 26 , 17 , 23 , 19

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Here, there are two alternating patterns, with every other number following a different pattern.
Correct Option: B
Here, there are two alternating patterns, with every other number following a different pattern. The first pattern begins with 13 and adds 2 to each number to arrive at the next; the alternating pattern begins with 29 and subtracts 3 each time.
 17 , 14 , 14 , 11 , 11 , 8 , 8

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In this simple subtraction with repetition series, each number is repeated,
Correct Option: D
In this simple subtraction with repetition series, each number is repeated, then 3 is subtracted to give the next number, which is then repeated, and so on.
 3 , 8 , 10 , 15 , 17 , 22 , 24

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This is an alternating addition series that adds 5, then 2, then 5, and so on.
Correct Option: C
This is an alternating addition series that adds 5, then 2, then 5, and so on.
 4 , 7 , 26 , 10 , 13 , 20 , 16

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Two patterns alternate here, with every third number following the alternate pattern. In the main series, beginning with 4, 3 is added to each number to arrive at the next.
Correct Option: E
Two patterns alternate here, with every third number following the alternate pattern. In the main series, beginning with 4, 3 is added to each number to arrive at the next. In the alternating series, beginning with 26, 6 is subtracted from each number to arrive at the next.