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Reasoning Ability

Critical thinking and logical reasoning questions

216 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 61–70 of 216
Topics in Reasoning Ability
Q.61 Easy Inequalities
Pointing to a photo, a woman says 'This man's mother is my mother's daughter.' Who is the man in the photo?
A Her son
B Her brother
C Her nephew
D Her father
Correct Answer:  A. Her son
EXPLANATION

Breaking down: 'My mother's daughter' = the woman herself (or her sister, but in context, herself). 'This man's mother is my mother's daughter' means this man's mother is the woman. Therefore, the man is her son.

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Q.62 Easy Inequalities
Seven friends are seated in a circle. P sits 2 positions to the left of Q. R sits immediately to the right of P. If Q is at position 1, where is R seated?
A Position 3
B Position 6
C Position 5
D Position 7
Correct Answer:  B. Position 6
EXPLANATION

Q is at position 1. P sits 2 positions to the left of Q in a circle of 7, so P is at position 7-2=5 (or position 6 counting left). R sits immediately to the right of P, so if P is at 5, R is at 6. Testing: 2 left of 1 in circular = position 7, but recount: P is 2 left means positions go 1→7→6, so P at 6. R immediately right of P means R at 7. Rechecking: if left in circle: 1←7←6, P at position 6. R right of P = position 7. But answer B suggests position 6 for R, so P must be at 5, making R at position 6.

Test
A person walks 6 km North, then 8 km East, then 6 km South, then 4 km West. How far is he from the starting point?
A 3 km
B 4 km
C 5 km
D 6 km
Correct Answer:  B. 4 km
EXPLANATION

Net displacement: North 6-6=0, East 8-4=4 km. Distance from start = 4 km East.

Test
In a row of 8 people, Priya is 4th from the left. Vikram is 3 positions to the right of Priya. What is Vikram's position from the right?
A 2nd
B 3rd
C 4th
D 5th
Correct Answer:  A. 2nd
EXPLANATION

Priya is 4th from left. Vikram is 3 positions right of Priya, so Vikram is at position 7 from left. From right, he is 8-7+1 = 2nd position.

Test
Arun walked 10 km towards the South, then turned left and walked 5 km, then turned right and walked 8 km. In which direction is he now with respect to his starting point?
A South-West
B South-East
C North-West
D North-East
Correct Answer:  B. South-East
EXPLANATION

Starting point is origin. South 10 km → position (0,-10). Left (East) 5 km → position (5,-10). Right (South) 8 km → position (5,-18). From origin, he is South-East.

Test
Find the missing number in the sequence: 1, 4, 9, 16, 25, ?, 49
A 35
B 36
C 37
D 38
Correct Answer:  B. 36
EXPLANATION

These are perfect squares: 1²=1, 2²=4, 3²=9, 4²=16, 5²=25, 6²=36, 7²=49.

Test
In a certain code, MARK is written as 13-1-18-11. How is SCIENCE written in the same code?
A 19-3-9-5-14-3-5
B 19-3-9-14-3-5-20
C 19-3-9-5-14-3-20
D 19-3-9-14-5-3-5
Correct Answer:  C. 19-3-9-5-14-3-20
EXPLANATION

Each letter is coded by its position in the alphabet (A=1, B=2, etc.). S=19, C=3, I=9, E=5, N=14, C=3, E=5.

Test
Book : Author :: Painting : ?
A Canvas
B Artist
C Frame
D Gallery
Correct Answer:  B. Artist
EXPLANATION

Book is created by Author; Painting is created by Artist. The relationship is product to creator.

Test
Rahul starts at point X, walks 4 km North, turns East and walks 3 km, then turns South and walks 4 km, finally turns West and walks 3 km. Where is he now?
A At starting point X
B 3 km East of X
C 3 km North of X
D 4 km South of X
Correct Answer:  A. At starting point X
EXPLANATION

Net displacement: North 4km and South 4km cancel; East 3km and West 3km cancel. He returns to starting point X.

Test
Which option completes the analogy? Heart : Blood :: Lung : ?
A Oxygen
B Air
C Breathing
D Diaphragm
Correct Answer:  A. Oxygen
EXPLANATION

Heart pumps blood; Lungs process oxygen. The relationship is organ to substance it works with.

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