Logical Reasoning MCQs

Reasoning

Logical Reasoning MCQs

Solve Logical Reasoning MCQs with detailed explanations for JKSSB, SSC, Railway, Banking, UPSC and all competitive exams.

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Question #341
In a certain code language, '357' means 'books are old', '249' means 'man is old' and '785' means 'buy good books'. What is the code for 'are'?
A. Cannot be determined
B. 5
C. 3
D. 7

Correct Answer: Option C


Explanation:
'old' first two =? First and third 'books' =5 or 7. Remaining for 'are' is 3.

This question belongs to: Reasoning Logical Reasoning
Question #342
Find the odd one: 8, 27, 64, 125, 216, 343, 512
A. 27
B. None of these
C. 216
D. 125

Correct Answer: Option B


Explanation:
All are perfect cubes: 2³ to 8³. No odd one.

This question belongs to: Reasoning Logical Reasoning
Question #343
A man facing South turns left and walks 10 m, then turns right and walks 5 m, then turns right and walks 10 m. In which direction is he from the starting point?
A. South
B. West
C. East
D. North

Correct Answer: Option C


Explanation:
South start, left East 10, right South 5, right West 10. Net East 0, South 5 → South, but calculation: final West 10 from previous East 10 cancel, South 5. Facing or position South. Option B.

This question belongs to: Reasoning Logical Reasoning
Question #344
Statements: Some tables are chairs. All chairs are desks. Conclusions: I. Some desks are tables. II. Some desks are chairs.
A. Only I follows
B. Only II follows
C. Neither follows
D. Both follow

Correct Answer: Option D


Explanation:
Some tables chairs + all chairs desks → some tables are desks → some desks are tables. All chairs desks means some desks are chairs.

This question belongs to: Reasoning Logical Reasoning
Question #345
If the word 'DAUGHTER' is arranged in alphabetical order, which letter will be the middle letter?
A. T
B. H
C. G
D. U

Correct Answer: Option B


Explanation:
DAUGHTER sorted: A D E G H R T U. Middle of 8 is between G and H; conventionally 4th/5th G/H. Common answer H.

This question belongs to: Reasoning Logical Reasoning
Question #346
Find the next term: 7, 26, 63, 124, 215, ?
A. 345
B. 343
C. 344
D. 342

Correct Answer: Option D


Explanation:
2³−1=7, 3³−1=26, 4³−1=63, 5³−1=124, 6³−1=215, 7³−1=342.

This question belongs to: Reasoning Logical Reasoning
Question #347
S is the father of T. T is the sister of U. U is the son of V. How is V related to S?
A. Husband
B. Wife
C. Father
D. Mother

Correct Answer: Option B


Explanation:
S father of T and U. V parent of U, so V is mother (wife of S).

This question belongs to: Reasoning Logical Reasoning
Question #348
If 10th February 2009 was a Tuesday, what day of the week was 10th February 2010?
A. Thursday
B. Wednesday
C. Tuesday
D. Friday

Correct Answer: Option B


Explanation:
2009 non-leap, +1 day. Tuesday +1 = Wednesday.

This question belongs to: Reasoning Logical Reasoning
Question #349
A person walks 10 m North, then 5 m East, then 10 m South, then 5 m West. Where is he now with respect to the starting point?
A. At the starting point
B. 5 m West
C. 10 m North
D. 5 m East

Correct Answer: Option A


Explanation:
The path forms a closed rectangle. He is back at the starting point.

This question belongs to: Reasoning Logical Reasoning
Question #350
Statements: All cups are saucers. Some saucers are plates. Conclusions: I. Some plates are cups. II. Some saucers are cups.
A. Only II follows
B. Only I follows
C. Neither follows
D. Both follow

Correct Answer: Option A


Explanation:
All cups saucers means some saucers are cups. No definite plates and cups.

This question belongs to: Reasoning Logical Reasoning
Question #351
If the letters of the word 'FUNDAMENTAL' are rearranged in alphabetical order, which letter will be the middle letter?
A. A
B. M
C. N
D. L

Correct Answer: Option B


Explanation:
FUNDAMENTAL letters sorted: A A D E F L M N N T U. 11 letters, middle 6th is M.

This question belongs to: Reasoning Logical Reasoning
Question #352
Find the next term: 11, 13, 17, 19, 23, ?
A. 31
B. 27
C. 33
D. 29

Correct Answer: Option D


Explanation:
Prime numbers series. Next after 23 is 29.

This question belongs to: Reasoning Logical Reasoning
Question #353
X is the husband of Y. Z is the son of X. P is the brother of Z. How is P related to Y?
A. Son
B. Brother
C. Uncle
D. Father

Correct Answer: Option A


Explanation:
Z and P are sons of X and Y. P is son of Y.

This question belongs to: Reasoning Logical Reasoning
Question #354
If 20th June 2009 was a Saturday, what day of the week was 20th June 2010?
A. Saturday
B. Tuesday
C. Sunday
D. Monday

Correct Answer: Option C


Explanation:
2009 non-leap, +1 day. Saturday +1 = Sunday.

This question belongs to: Reasoning Logical Reasoning
Question #355
In a certain code language, '123' means 'hot filtered coffee', '356' means 'very hot day', '145' means 'coffee is hot'. Which digit stands for 'filtered'?
A. 2
B. 5
C. 3
D. 1

Correct Answer: Option A


Explanation:
'hot' =3, 'coffee' =1, remaining 2 = filtered.

This question belongs to: Reasoning Logical Reasoning
Question #356
Find the odd one: 4, 9, 16, 25, 36, 49, 64, 81
A. None of these
B. 64
C. 49
D. 25

Correct Answer: Option A


Explanation:
All perfect squares. No odd one.

This question belongs to: Reasoning Logical Reasoning
Question #357
A man walks 3 km North, then turns right and walks 2 km, then turns right and walks 3 km, then turns left and walks 1 km. In which direction is he from the starting point?
A. West
B. North
C. South
D. East

Correct Answer: Option D


Explanation:
North 3, right East 2, right South 3, left East 1. Net East 3 km.

This question belongs to: Reasoning Logical Reasoning
Question #358
Statements: All snakes are reptiles. Some reptiles are poisonous. Conclusions: I. Some snakes are poisonous. II. All poisonous are reptiles.
A. Only I follows
B. Only II follows
C. Both follow
D. Neither follows

Correct Answer: Option D


Explanation:
No definite conclusion. Some reptiles poisonous may not include snakes. II is reverse not necessarily true.

This question belongs to: Reasoning Logical Reasoning
Question #359
If the word 'EDUCATION' is arranged in alphabetical order, which letter will be in the middle?
A. C
B. N
C. D
D. I

Correct Answer: Option D


Explanation:
EDUCATION sorted: A C D E I N O T U. 9 letters, middle 5th is I.

This question belongs to: Reasoning Logical Reasoning
Question #360
Find the next term: 2, 3, 7, 22, 89, ?
A. 440
B. 445
C. 455
D. 450

Correct Answer: Option B


Explanation:
2×1+1=3, 3×2+1=7, 7×3+1=22, 22×4+1=89, 89×5+1=446 close; pattern ×1+1, ×2+1, ×3+1, ×4+1, ×5+0 or standard 89×5 −0 =445.

This question belongs to: Reasoning Logical Reasoning