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.
 11 , 14 , 14 , 17 , 17 , 20 , 20

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This is a simple addition series with repetition. It adds 3 to each number to arrive at the next,
Correct Option: A
This is a simple addition series with repetition. It adds 3 to each number to arrive at the next, which is repeated before 3 is added again.
 42 , 40 , 38 , 35 , 33 , 31 , 28

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This is an alternating subtraction series in which 2 is subtracted twice,
Correct Option: C
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.
 36 , 31 , 29 , 24 , 22 , 17 , 15

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This is an alternating subtraction series, which subtracts 5, then 2, then 5, and so on.
Correct Option: E
This is an alternating subtraction series, which subtracts 5, then 2, then 5, and so on.
 3 , 5 , 35 , 10 , 12 , 35 , 17

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This is an alternating addition series, with a random number, 35, interpolated as every third number.
Correct Option: C
This is an alternating addition series, with a random number, 35, interpolated as every third number. The pattern of addition is to add 2, add 5, add 2, and so on. The number 35 comes after each “add 2” step.
 7 , 9 , 66 , 12 , 14 , 66 , 17

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This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number.
Correct Option: A
This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number. The regular series adds 2, then 3, then 2, and so on, with 66 repeated after each “add 2” step.