Number Series problems
- 1. What should come in place of the question mark (?) in the following number series? 1, 3, 24, 360,8640, 302400, ?
Options- A. 14525100
- B. 154152000
- C. 14515200
- D. 15425100 Also asked in: Bank Exams
Correct Answer: 14515200
- 2. In the following question, select the missing number from the given series. 1, 3, 6, 10, 15, ?
Options- A. 20
- B. 21
- C. 22
- D. 24 Also asked in: Bank Exams
Correct Answer: 21
- 4. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 3, 5/3, 1/3, ? , -7/3, -11/3
Options- A. -2/3
- B. -4/3
- C. -1
- D. -2 Also asked in: Bank Exams
Correct Answer: -1
- 5. In the following question, 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. Z, U, Q, ?, L
Options- A. N
- B. M
- C. I
- D. K Discuss
Correct Answer: N
Explanation:
The letters move 5, 4, 3, ... steps backward.
- 6. In the following question, 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. AB, DEF, HIJK, ?, STUVWX
Options- A. QRSTU
- B. MNOPQ
- C. LMNO
- D. LMNOP Discuss
Correct Answer: MNOPQ
Explanation:
The first letter moves 1 step forward. The letters are in in alphabetical order.
- 7. In the following question, 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. BAZ, DCY, FEX, ?
Options- A. FXW
- B. FEY
- C. HGW
- D. EFX Discuss
Correct Answer: HGW
Explanation:
The first letter moves two steps forward.
The second letter moves 2 steps forward.
The third letter moves one step backward.
- 8. In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. D-4, F-6, H-8, J-10, ?, ?
Options- A. L-12,N-14
- B. K-12, M-14
- C. K-14, M-14
- D. K-12, M-14 Discuss
Correct Answer: L-12,N-14
Explanation:
The letters are alternate and the numbers indicate their position in the alphabet from the beginning.
- 9. What is to be replaced in place of '?' in the following series ? A2BC, ?, ABC4, A5BC A) A3BC B) ABC3 C) AB3C D) A2B3C4
Options- A. Option A
- B. Option B
- C. Option C
- D. Option D Also asked in: Bank Exams, AIEEE, CAT, Bank PO, Bank Clerk
Correct Answer: Option C
Explanation:
Because the letters are the same, concentrate on the number series, which is a simple 2, 3, 4, 5, 6 series, and follows each letter in order.
- 10. What should be replaced in the place of '?' in the following series ? JAK, KBL, LCM, MDN, ?
Options- A. MEN
- B. NEM
- C. NEO
- D. OEP Also asked in: Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO
Correct Answer: NEO
Explanation:
This is an alternating series in alphabetical order. The middle letters follow the order ABCDE. The first and third letters are alphabetical beginning with J. The third letter is repeated as a first letter in each subsequent three-letter segment.
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