Complete the Series MCQ Quiz - Objective Question with Answer for Complete the Series - Download Free PDF

Last updated on Jul 9, 2025

The Complete the Series question answers can be tricky to solve, but with practice attempting the Logical Reasoning section can get easier. Testbook presents Complete the Series quiz for exams like SBI PO, SSC CGL, RRB JE and GATE. Attempt Complete the Series objective questions to ace this topic and practice on similar topics like inequality, puzzles, linear arrangements and number series. Save the Complete the Series MCQs if you feel the need to revisit. With the solutions and explanations of these questions, you can save time and improve accuracy during the exam.

Latest Complete the Series MCQ Objective Questions

Complete the Series Question 1:

 What should come in place of the question mark (?) in the given series based on the English alphabetical order?
 JGM KHN LIO MJP ?

  1. NKR
  2. NKQ
  3. NLR
  4. NLQ

Answer (Detailed Solution Below)

Option 2 : NKQ

Complete the Series Question 1 Detailed Solution

The logic followed here is:

Thus, 'NKQ' will be the next in the series.

Hence, the correct answer is "Option 2".

Complete the Series Question 2:

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
SKC WOG ASK EWO ?

  1. ASI
  2. IAS
  3. AIS
  4. ISA

Answer (Detailed Solution Below)

Option 2 : IAS

Complete the Series Question 2 Detailed Solution

The logic followed here is:

Thus, 'IAS' will be the next in the series.

Hence, the correct answer is "Option 2".

Complete the Series Question 3:

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
FCA GDB HEC IFD ?

  1. JHE
  2. JHF
  3.  JGF
  4. JGE

Answer (Detailed Solution Below)

Option 4 : JGE

Complete the Series Question 3 Detailed Solution

The logic followed here is:

Hence, the correct answer is "Option 4".

Complete the Series Question 4:

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
VCJ RYF NUB JQX ?

  1. FTM
  2. FNT
  3. FTN
  4. FMT

Answer (Detailed Solution Below)

Option 4 : FMT

Complete the Series Question 4 Detailed Solution

The logic followed here is:

Hence, the correct answer is "Option 4".

Complete the Series Question 5:

What should come in place of the question mark (?) in the given series based on the English alphabetical order?
 XBF UYC RVZ OSW ?

  1. LTP
  2. LPT
  3. TLP
  4. TPL

Answer (Detailed Solution Below)

Option 2 : LPT

Complete the Series Question 5 Detailed Solution

The logic followed here is:

X (24) B (2) F (6)
-3 ↓ -3 ↓ -3 ↓
U (21) Y (25) C (3)
-3 ↓ -3 ↓ -3 ↓
R (18) V (22) Z (26)
-3 ↓ -3 ↓ -3 ↓
O (15) S (19) W (23)
-3 ↓ -3 ↓ -3 ↓
L (12) P (16) T (20)

Thus, 'LPT' will be the next in the series.

Hence, the correct answer is "Option 2".

Top Complete the Series MCQ Objective Questions

Choose the correct alternative which will complete the series.

ACT, EGG, INK, ______

  1. BYE
  2. OLD
  3. FUN
  4. DIP

Answer (Detailed Solution Below)

Option 2 : OLD

Complete the Series Question 6 Detailed Solution

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Let's examine the pattern in the series:

ACT (A=1, C=3, T=20)
EGG (E=5, G=7, G=7)
INK (I=9, N=14, K=11)

Looking at the first letters: A(1), E(5), I(9) - these letters follow the sequence next vowel.

Next letter after I (9) + next vowel = O (15).

So, the fourth term should start with 'O.'

OLD satisfies this pattern.

Hence the next word in the series is OLD.

Which of the following letter-clusters will replace the question mark (?) in the given series?

PK, GT, XC, OL, ?

  1. GT
  2. HS
  3. EV
  4. FU

Answer (Detailed Solution Below)

Option 4 : FU

Complete the Series Question 7 Detailed Solution

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The logic followed here is :

Hence, "FU" is the correct answer.

Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.

PEA, SJH, VOO, YTV, ?

  1. YBC
  2. CYB
  3. BYC
  4. CBY

Answer (Detailed Solution Below)

Option 3 : BYC

Complete the Series Question 8 Detailed Solution

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The logic followed here is :-

Hence, the correct answer is "BYC".

Fill the missing letter in the given series.

A, A, B, F, ?

  1. W
  2. X
  3. Y
  4. Z

Answer (Detailed Solution Below)

Option 2 : X

Complete the Series Question 9 Detailed Solution

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According to the English alphabet series, positional values are:

The pattern followed here is:

Hence, 'X' is the correct answer.

Select the set of letterers that when sequentially placed in the blanks of the given letter series will complete the series.

f_ hg _ fh _ gf _ hg _ fh _ g

  1. h, f, g, h, f, f
  2. f, g, h, f, g, f
  3. g, f, g, f, h, f
  4. g, h, f, g, h, f

Answer (Detailed Solution Below)

Option 4 : g, h, f, g, h, f

Complete the Series Question 10 Detailed Solution

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1) h, f, g, h, f, h → f h h / g f f /h g g / f h h  / g f f /h f g → does not follow any pattern.

2) f, g, h, f, g, f → f f h / g g f / h h g / f f h / g g f / h f g → does not follow any pattern.

3) g, f, g, f, h, f → f g h / g f f / h g g / f f h / g h f / h f g → does not follow any pattern.

4) g, h, f, g, h, f → f g h / g h f / h f g / f g h / g h f / h f g → follows a pattern.

‘f g h / g h f / h f g’ repeats a cyclic pattern.

Hence, ‘g, h, f, g, h, f’ is the correct answer.

Which of the following letter-clusters will replace the question mark (?) in the given series?

UV, OY, IB, EE, ?

  1. ZK
  2. AH
  3. BI
  4. BH

Answer (Detailed Solution Below)

Option 2 : AH

Complete the Series Question 11 Detailed Solution

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The logic followed here is:

First row is vowel series in reverse order.

Hence, the correct answer is "AH".

Complete the series.

GNPT, ETNN, CNLT, _______.

  1. ANJT
  2. ATJN
  3. ANNT
  4. AJTT

Answer (Detailed Solution Below)

Option 2 : ATJN

Complete the Series Question 12 Detailed Solution

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Given: GNPT, ETNN, CNLT, _______.

The logic followed here is:

Hence, ATJN  is the correct answer.

Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. 

Z_K F_OKGZ_K_ZO_ I

  1. OZOHK
  2. OZKHK
  3. OZOHZ
  4. KZOHK

Answer (Detailed Solution Below)

Option 1 : OZOHK

Complete the Series Question 13 Detailed Solution

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Given: Z _ K F _ O K G Z _ K _ Z O _ I

By checking options and substituting accordingly.

1)  OZOHK → Z O K F / Z O K G / Z O K H / Z O K I

     ►  Here the last letter of the word is increased by +1.

            ♦   F + 1 = G, G + 1 = H, H + 1 = I

2)  OZKHK → Z O K F / Z O K G / Z K K H / Z O K I

3)  OZOHZ → Z O K F / Z O K G / Z O K H / Z O Z I

4)  KZOHK → Z K K F / Z O K G / Z O K H / Z O K I

    ♦   Option (1) gives a pattern of Z O K F / Z O K G / Z O K H / Z O K I

Hence, OZOHK’ is the correct answer.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

NMRQ, NDZG, NUHW, NLPM, ?

  1. NQRC
  2. NCXC
  3. NHMH
  4. MQRQ

Answer (Detailed Solution Below)

Option 2 : NCXC

Complete the Series Question 14 Detailed Solution

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The logic followed here is :

  1. First letter - Remains same.
  2. Second letter - First subtraction of (9) and then addition of (17) in the position value in the alternate order.
  3. Third letter - (8) is added to the position value.
  4. Fourth letter - First subtraction of (10) and then addition of (16) in the position value in the alternate order.

So,​

Hence, "NCXC" is the correct answer.

Find the next word from among the given options which will give more points in the scrabble game (Marks of a letter are its position number in the English alphabet).

A, AT, BAT, ?

  1. BAIT
  2. BATE
  3. BATH
  4. BATS

Answer (Detailed Solution Below)

Option 4 : BATS

Complete the Series Question 15 Detailed Solution

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Given: A, AT, BAT, ?

Logic: Marks of a letter are its position number in the English alphabet.

By checking options:

(1) BAIT

Letters

B

A

I

T

Positional Values

2

1

9

20

Sum of Positional Values

2 + 1+ 9 + 20 = 32

 

 

(2) BATE

Letters

B

A

T

E

Positional Values

2

1

20

5

Sum of Positional Values

2 + 1+ 20 + 5 = 28

 

 

(3) BATH

Letters

B

A

T

H

Positional Values

2

1

20

8

Sum of Positional Values

2 + 1+ 20 + 8 = 31

 

 

(4) BATS

Letters

B

A

T

S

Positional Values

2

1

20

19

Sum of Positional Values

2 + 1+ 20 + 19 = 42

 

 

Now, by comparing BATS will give more points in the scrabble game.

Hence, BATS is the correct answer.

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