Number Series problems
- 1. In the following question, select the missing number from the given series. 12, 15, 19, 24, 30, ?
Options- A. 38
- B. 37
- C. 39
- D. 40 Also asked in: Bank Exams
Correct Answer: 37
- 2. A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 4, 9, 25, 64, 169, ?
Options- A. 441
- B. 225
- C. 289
- D. 256 Also asked in: Bank Exams
Correct Answer: 441
- 3. Choose the correct alternative that will continue the same pattern and replace 'x' in series 6,18,42,78,x
Options- A. 84
- B. 126
- C. 96
- D. 108 Discuss
Correct Answer: 126
Explanation:
The pattern is +12,+24,+36,+48, . . . .
So,missing term=78+48=126
- 4. Choose the correct alternative that will continue the same pattern and replace 'x' in the series 3,12,27,48,75,x,147
Options- A. 108
- B. 127
- C. 112
- D. 85 Discuss
Correct Answer: 108
Explanation:
The terms of the given series are 3*(1*1),3*(2*2),3*(3*3),3*(4*4), . . . .
So,missing term is 3*(6*6)=108
- 5. In the following questions, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BF, CH, ?, HO, LT
Options- A. EK
- B. DN
- C. EL
- D. EM Discuss
Correct Answer: EK
Explanation:
The first letter moves 1, 2, 3, ... steps forward.
The second letter moves 2, 3, 4, ... steps forward
- 6. a _ c _ abb _ a _ bc _ bc _ ab
Options- A. c b c a a a
- B. b c c c a b
- C. b c c a a c
- D. a c b a b c Discuss
Correct Answer: b c c a a c
Explanation:
The series is a b c c a b | b c a a b c | a b c c a b
Here, the pattern a b c c a b | b c a a b c is repeated alternatively.
- 7. Complete the next number in the given number series? 21 56 102 160 231 316
Options- A. 416
- B. 415
- C. 414
- D. 413 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: 416
Explanation:
The given number series is 21 56 102 160 231 316
21 56 102 160 231 316 416
+35 +46 +58 +71 +85 +100
+11 +12 +13 +14 +15
Hence, the next number in the given number series is 316 + 100 = 416.
- 8. Next number in the given series is 9 7 10 6 11 ?
Options- A. 5
- B. 4
- C. 13
- D. 15 Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: 5
Explanation:
The given number series is 9 7 10 6 11 ?
Here in this we have two number sequences, they are
9, 10, 11, ... and 7, 6, 5, ...
Hence, the next number in the given number series is 6 - 1 = 5.
- 9. Select the missing numbers from the given alternatives 12 8 4 8 4 12 4 12 8 100 44 ?
Options- A. 80
- B. 56
- C. 48
- D. 36 Discuss
Correct Answer: 56
- 10. In the following question, select the missing number from the given series.146, 137, 128, ?, 110, 101
Options- A. 123
- B. 121
- C. 117
- D. 119 Discuss
Correct Answer: 119
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