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 #61
Ravi walks 10 m north, then 6 m east, then 3 m north. How far is he from the starting point?
A. 19 m
B. √205 m
C. √169 m
D. 13 m

Correct Answer: Option B


Explanation:
Net movement: 13 m north and 6 m east. Distance = √(13²+6²) = √(169+36) = √205 m.

This question belongs to: Reasoning Logical Reasoning
Question #62
A man starts from point P, goes 3 km south, turns right and goes 4 km, turns left and goes 2 km. How far and in which direction is he from P?
A. 3 km East
B. √17 km South-East
C. √17 km South-West
D. 5 km South

Correct Answer: Option B


Explanation:
Net displacement is 4 km east and 1 km south. Distance = √(4²+1²)=√17 km, direction South-East.

This question belongs to: Reasoning Logical Reasoning
Question #63
If a person facing north turns 135° clockwise, which direction is he facing now?
A. South-West
B. South-East
C. North-West
D. North-East

Correct Answer: Option B


Explanation:
North + 90° = East; East + 45° = South-East.

This question belongs to: Reasoning Logical Reasoning
Question #64
Ramesh goes 8 m north, turns left and goes 6 m. How far is he from his starting point?
A. 10 m
B. 14 m
C. 12 m
D. 8 m

Correct Answer: Option A


Explanation:
He moves 8 m north and 6 m west. Distance = √(8²+6²) = √100 = 10 m.

This question belongs to: Reasoning Logical Reasoning
Question #65
A ship sails 12 km south, then 5 km east, then 12 km north. How far is it from the starting point?
A. 10 km
B. 17 km
C. 5 km
D. 12 km

Correct Answer: Option C


Explanation:
South and north movements cancel; net movement is 5 km east.

This question belongs to: Reasoning Logical Reasoning
Question #66
A man is facing west. He turns 45° clockwise, then 180° anticlockwise. Which direction is he facing now?
A. South-West
B. North-West
C. South-East
D. North-East

Correct Answer: Option C


Explanation:
West + 45° clockwise = North-West. North-West + 180° anticlockwise = South-East.

This question belongs to: Reasoning Logical Reasoning
Question #67
If South-East becomes North, what will East become?
A. South-West
B. South
C. North-East
D. North-West

Correct Answer: Option D


Explanation:
Each direction is shifted 135° anticlockwise. East shifted 135° anticlockwise becomes North-West.

This question belongs to: Reasoning Logical Reasoning
Question #68
A man walks 5 m south, turns right, walks 3 m, then turns left, walks 5 m. In which direction is he from his starting point?
A. South-West
B. South-East
C. North-West
D. North-East

Correct Answer: Option A


Explanation:
Net displacement is 3 m west and 10 m south, so final direction is South-West.

This question belongs to: Reasoning Logical Reasoning
Question #69
P is Q's mother. R is Q's brother. S is P's sister. How is R related to S?
A. Nephew
B. Son
C. Brother
D. Cousin

Correct Answer: Option A


Explanation:
S is P's sister and Q/R are P's children. Therefore R is S's nephew.

This question belongs to: Reasoning Logical Reasoning
Question #70
A starts from his office, walks 4 km north, turns right, walks 3 km, turns right, walks 4 km, turns left, walks 2 km. How far and in which direction is he from his office?
A. 3 km East
B. 7 km North
C. 5 km East
D. 5 km West

Correct Answer: Option C


Explanation:
North 4 and south 4 cancel. East movement = 3+2 = 5 km. Direction East.

This question belongs to: Reasoning Logical Reasoning
Question #71
From school, A walks 2 km west, 3 km south, then 2 km east. How far is she from the school?
A. 5 km
B. 4 km
C. 3 km
D. 2 km

Correct Answer: Option C


Explanation:
West 2 and east 2 cancel; net displacement is 3 km south.

This question belongs to: Reasoning Logical Reasoning
Question #72
If North is called North-East, East is called South-East, and so on by rotating 45° clockwise, what will South be called?
A. South-East
B. North-West
C. South-West
D. North-East

Correct Answer: Option C


Explanation:
Rotating directions 45° clockwise: South becomes South-West.

This question belongs to: Reasoning Logical Reasoning
Question #73
M is N's son. O is N's brother. P is O's daughter. How is M related to P?
A. Brother
B. Uncle
C. Cousin
D. Nephew

Correct Answer: Option C


Explanation:
M and P are children of siblings N and O, so they are cousins.

This question belongs to: Reasoning Logical Reasoning
Question #74
Statements: All roses are flowers. Some flowers are white. Conclusions: I. Some roses are white. II. Some white are flowers.
A. Neither follows
B. Only II follows
C. Both I and II follow
D. Only I follows

Correct Answer: Option B


Explanation:
The term 'roses' is not distributed in the premises, so I does not follow. From 'Some flowers are white', conversion gives 'Some white are flowers', so II follows.

This question belongs to: Reasoning Logical Reasoning
Question #75
Statements: No books are pens. Some pens are copies. Conclusions: I. Some copies are books. II. Some copies are not books.
A. Only II follows
B. Both follow
C. Only I follows
D. Neither follows

Correct Answer: Option A


Explanation:
The copies which are pens cannot be books because no book is a pen. Hence some copies are not books. I does not follow.

This question belongs to: Reasoning Logical Reasoning
Question #76
Statements: All cats are dogs. All dogs are animals. Conclusions: I. All cats are animals. II. Some animals are cats.
A. Both I and II follow
B. Only I follows
C. Only II follows
D. Neither follows

Correct Answer: Option A


Explanation:
All cats are dogs and all dogs are animals, so all cats are animals. Since cats exist, some animals are cats.

This question belongs to: Reasoning Logical Reasoning
Question #77
Statements: Some teachers are students. All students are scholars. Conclusions: I. Some scholars are teachers. II. All teachers are scholars.
A. Both follow
B. Only I follows
C. Only II follows
D. Neither follows

Correct Answer: Option B


Explanation:
Some teachers are students and all students are scholars, so some scholars are teachers. II is an invalid universal conclusion.

This question belongs to: Reasoning Logical Reasoning
Question #78
Statements: All oranges are fruits. No fruit is a vegetable. Conclusions: I. No orange is a vegetable. II. Some vegetables are oranges.
A. Neither follows
B. Only I follows
C. Both follow
D. Only II follows

Correct Answer: Option B


Explanation:
All oranges are fruits and no fruit is a vegetable, so no orange is a vegetable. II contradicts this.

This question belongs to: Reasoning Logical Reasoning
Question #79
Statements: Some cars are buses. No bus is a truck. Conclusions: I. Some cars are not trucks. II. Some buses are cars.
A. Neither follows
B. Both I and II follow
C. Only I follows
D. Only II follows

Correct Answer: Option B


Explanation:
The cars that are buses cannot be trucks, so I follows. Conversion of 'Some cars are buses' gives II.

This question belongs to: Reasoning Logical Reasoning
Question #80
Statements: All pens are pencils. No pencil is an eraser. Conclusions: I. No pen is an eraser. II. Some erasers are pens.
A. Only I follows
B. Neither follows
C. Only II follows
D. Both follow

Correct Answer: Option A


Explanation:
All pens are pencils and no pencil is an eraser, so no pen is an eraser. II is false.

This question belongs to: Reasoning Logical Reasoning