Sequence and Series - Online Test

Q1. Direction: What will come in place of the question mark (?) in the following number series?
9, 13, 4, 20, ?, 31
Answer : Option B
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Q2. Direction: What will come in place of the question mark (?) in the following number series?
2, 0, -2, -8, -40, ?
Answer : Option C
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Q3. Direction: What will come in place of the question mark (?) in the following number series?
21, 44, 129, 520, 2595, ?
Answer : Option B
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Q4. Direction: What will come in place of the question mark (?) in the following number series?
69120, 69120, 34560, 5760, 240, ?
Answer : Option D
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Q5. Direction: What will come in place of the question mark (?) in the following number series?
12, 35, 108, 319, ?, 2883
Answer : Option E
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Q6. Direction: What number should come in the place of question mark (?) in the following number series?
3125, 1875, 1125, 675, 405, ?
Answer : Option D
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Q7. Direction: What number should come in the place of question mark (?) in the following number series?
3, 7, 13, 23, 41, ?
Answer : Option D
Explaination / Solution:

3    ,    7    ,   13   ,    23   ,   41    ,     75

      4        6           10      18           34

            2         4           8         16

Q8. Direction: In the following number series, a wrong number is given. Find out that wrong number.
14, 32, 105, 436, 2195, 13266
Answer : Option B
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Q9. Direction: What should come in place of question mark (?) in the following number series?
19, 43, 81, 167, 329, ?
Answer : Option D
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Q10. Direction: What will come in place of the question mark (?) in the following number series?
16, 22, 39, 66, 102, ?
Answer : Option D
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