BITSAT Logical Reasoning MCQs Practice Test

🧠 BITSAT Logical Reasoning MCQs with Explanations

1. What comes next in the series?

5, 11, 17, 23, ?

A) 27
B) 28
C) 29
D) 30

✅ Answer: C) 29
Explanation: Each number increases by 6.
5 → +6 → 11 → +6 → 17 → +6 → 23 → +6 → 29

2. Which is the odd one out?

Pen, Pencil, Eraser, Chalk, Ink

A) Pen
B) Pencil
C) Eraser
D) Ink

✅ Answer: C) Eraser
Explanation: All others are used for writing. Eraser is used to remove writing.

3. Find the missing number:

3, 8, 15, 24, ?, 48

A) 31
B) 35
C) 37
D) 40

✅ Answer: B) 35
Explanation: Differences:
8–3=5, 15–8=7, 24–15=9 → Pattern: +2
Next: 24+11=35, then 35+13=48

4. What is the mirror image of "RAJ"?

A) JAR
B) ЯAᒋ
C) JAЯ
D) RJA

✅ Answer: C) JAЯ
Explanation: Mirror image = reversed order with flipped letters.

5. Complete the analogy:

Cat : Meow :: Dog : ?

A) Growl
B) Bark
C) Howl
D) Roar

✅ Answer: B) Bark
Explanation: Sound of cat is meow, dog = bark.

6. Which direction is left of North-West?

A) North
B) West
C) South-West
D) South

✅ Answer: B) West
Explanation: From North-West, moving left → West.

7. Rahul is the son of my father's only son. How is Rahul related to me?

A) Cousin
B) Brother
C) Nephew
D) Son

✅ Answer: D) Son
Explanation: My father's only son = me → Rahul is my son.

8. How many 3s are there in the following series which are immediately preceded by 8 and followed by 2?

8 3 2 7 8 3 2 8 3 1 2 8 3 2

A) 2
B) 3
C) 4
D) 5

✅ Answer: B) 3
Explanation: Check each "8 3 2" combination: appears 3 times.

9. Which letter comes next?

A, C, F, J, O, ?

A) Q
B) S
C) U
D) V

✅ Answer: C) U
Explanation: Alphabet positions:
A(+2)=C, C(+3)=F, F(+4)=J, J(+5)=O, O(+6)=U

10. If FRIEND is coded as HTKGPF, how is ENEMY coded?

A) GPGOA
B) GPFOA
C) GPFOB
D) GNGMA

✅ Answer: B) GPFOA
Explanation:
Each letter is shifted +2:
E→G, N→P, E→F, M→O, Y→A

11. Complete the number pattern:

1, 1, 2, 3, 5, 8, ?

A) 11
B) 12
C) 13
D) 14

✅ Answer: C) 13
Explanation: Fibonacci Series:
1+1=2, 1+2=3, 2+3=5, 3+5=8, 5+8=13

12. Find the odd one out:

Car, Train, Bus, Cycle, Jet

A) Car
B) Cycle
C) Jet
D) Bus

✅ Answer: B) Cycle
Explanation: All others are motor-powered, cycle is manually operated.

13. Which number completes the series?

121, 144, 169, 196, ?

A) 200
B) 211
C) 225
D) 240

✅ Answer: C) 225
Explanation: These are squares: 11², 12², 13², 14² → next = 15² = 225

14. Which letter is three to the right of the letter ‘G’ in the English alphabet?

A) J
B) K
C) L
D) I

✅ Answer: A) J
Explanation: G + 3 letters → H, I, J.

15. What comes next in the sequence?

Z, X, V, T, ?

A) R
B) S
C) Q
D) P

✅ Answer: A) R
Explanation: Moving backward by 2: Z (26), X (24), V (22), T (20), next = 18 = R

16. What is the missing number?

4 × 5 = 20, 6 × 7 = 42, 8 × 9 = ?

A) 64
B) 72
C) 70
D) 74

✅ Answer: B) 72
Explanation: Direct multiplication: 8 × 9 = 72

17. Identify the pattern:

ACE, BDF, CEH, ?

A) DFJ
B) EGI
C) EHK
D) DGI

✅ Answer: B) EGI
Explanation:
1st letters: A, B, C, E → +1
2nd letters: C, D, E, G → +1
3rd letters: E, F, H, I → +1 or +2 (maintaining alphabet jump pattern)

18. Complete the analogy:

Hand : Glove :: Head : ?

A) Cap
B) Helmet
C) Hair
D) Brain

✅ Answer: A) Cap
Explanation: Glove covers hand; Cap covers head.

19. Fill in the blank: The plane took ___ at exactly 6 AM.

A) up
B) on
C) off
D) out

✅ Answer: C) off
Explanation: Phrasal verb: "take off" = for a plane to leave the ground.

20. In a certain code, if 987 means "I like coding", and 879 means "coding is fun", what number represents "fun"?

A) 9
B) 8
C) 7
D) Cannot be determined

✅ Answer: C) 7
Explanation:
987 = I like coding
879 = coding is fun
Common code = 8 and 9 = coding
Remaining = 7 = fun

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