Logical Problems
 Look at this series: 31, 29, 24, 22, 17, . . . . . What number should come next?

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This is a simple alternating subtraction series,
Correct Option: A
This is a simple alternating subtraction series, which subtracts 2, then 5.
 Look at this series: 2, 6, 18, 54, ...... What number should come next?

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This is a simple multiplication series.
Correct Option: C
This is a simple multiplication series. Each number is 3 times more than the previous number.
 Look at this series: 1,000, 200, 40, . . . What number should come next?

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This is a simple division series. Each number is divided by 5.
Correct Option: A
This is a simple division series. Each number is divided by 5.
 Look at this series: 36, 34, 30, 28, 24, . . . . What number should come next?

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This is an alternating number subtraction series.
Correct Option: B
This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.
 Look at this series : 53, 53, 40, 40, 27, 27,... What number should come next?

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In this series, each number is repeated,
Correct Option: B
In this series, each number is repeated, then 13 is subtracted to arrive at the next number.