Look carefully for the pattern, and then choose which pair of numbers comes next.
1.
42 40 38 35 33 31 28
A. 25 22 B. 26 23
C. 26 24 D. 25 23
E. 26 22
Answer & Explanation
Answer: Option C
Explanation:
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.
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2.
6 10 14 18 22 26 30
A. 36 40 B. 33 37
C. 38 42 D. 34 36
E. 34 38
Answer & Explanation
Answer: Option E
Explanation:
This simple addition series adds 4 to each number to arrive at the next.
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3.
8 12 9 13 10 14 11
A. 14 11 B. 15 12
C. 8 15 D. 15 19
E. 8 5
Answer & Explanation
Answer: Option B
Explanation:
This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3.
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4.
36 31 29 24 22 17 15
A. 13 11 B. 10 5
C. 13 8 D. 12 7
E. 10 8
Answer & Explanation
Answer: Option E
Explanation:
This is an alternating subtraction series, which subtracts 5, then 2, then 5, and so on.
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5.
3 5 35 10 12 35 17
A. 22 35 B. 35 19
C. 19 35 D. 19 24
E. 22 24
Answer & Explanation
Answer: Option C
Explanation:
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/