Home Tests Railway RRB / NTPC Reasoning Ability

Railway RRB / NTPC
Reasoning Ability

Railway RRB & NTPC MCQ questions — GK, Math, Reasoning, General Science.

202 Q 4 Subjects 10th / Graduate
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Difficulty: All Easy Medium Hard 41–50 of 202
Subjects in Railway RRB / NTPC
Q.41 Medium Reasoning Ability Puzzles & Seating Arrangement
All politicians are ambitious. Some ambitious people are honest. Based on this, which statement is definitely false?
A All politicians are honest
B Some politicians are honest
C Some politicians are ambitious
D No politician is honest
Correct Answer:  A. All politicians are honest
EXPLANATION

First statement guarantees all politicians are ambitious, but second statement only guarantees some ambitious are honest, not all. Statement A assumes all are honest - not necessarily true.

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Q.42 Medium Reasoning Ability Puzzles & Seating Arrangement
Eight people M, N, O, P, Q, R, S, T sit in a line. M is 4th from left. N is immediate right of M. S is 2nd from right. How many people sit between N and S?
A 2
B 3
C 4
D 5
Correct Answer:  B. 3
EXPLANATION

M at position 4, N at position 5. S at position 7 (2nd from right in 8-person row). Between positions 5 and 7 = 1 person. Recount: positions 5 to 7, people between = position 6 only = 1 person. Check: S at 7, between 5 and 7 = just 6, that's 1 person.

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Q.43 Easy Reasoning Ability Puzzles & Seating Arrangement
If CAT is coded as 3-1-20, and DOG is coded as 4-15-7, then BAT is coded as:
A 2-1-20
B 2-1-19
C 1-2-20
D 2-2-20
Correct Answer:  A. 2-1-20
EXPLANATION

Alphabet positions: B=2, A=1, T=20

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Q.44 Easy Reasoning Ability Puzzles & Seating Arrangement
A man walks 5km east, then 3km north, then 5km west. How far is he from the starting point?
A 3km
B 13km
C 5km
D 8km
Correct Answer:  A. 3km
EXPLANATION

East-West movements cancel. Final position: 3km north of start = 3km distance.

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Q.45 Easy Reasoning Ability Puzzles & Seating Arrangement
Series: 3, 6, 12, 24, 48, ?, what should replace the question mark?
A 96
B 72
C 84
D 60
Correct Answer:  A. 96
EXPLANATION

Each number is multiplied by 2: 3×2=6, 6×2=12, 12×2=24, 24×2=48, 48×2=96

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Q.46 Medium Reasoning Ability Puzzles & Seating Arrangement
Find the odd one out: NOTEBOOK, PENCIL, ERASER, SHARPENER, BOOK
A PENCIL
B SHARPENER
C ERASER
D BOOK
Correct Answer:  B. SHARPENER
EXPLANATION

All others are writing/reading materials or have written content. Sharpener is a tool for maintenance.

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Q.47 Medium Reasoning Ability Puzzles & Seating Arrangement
In a code, if GARDEN is written as 7-1-18-4-5-14, then BRIDGE is coded as:
A 2-18-9-4-7-5
B 2-17-8-4-6-5
C 2-18-9-4-8-5
D 2-19-9-4-7-5
Correct Answer:  A. 2-18-9-4-7-5
EXPLANATION

Alphabet position code: B=2, R=18, I=9, D=4, G=7, E=5

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Q.48 Medium Reasoning Ability Puzzles & Seating Arrangement
Six people sit around a circular table facing the center. P sits 2 seats to the right of Q. R sits opposite to P. If Q is at 12 o'clock position, where is R?
A 6 o'clock
B 3 o'clock
C 9 o'clock
D Cannot be determined
Correct Answer:  A. 6 o'clock
EXPLANATION

Q at 12 o'clock. P is 2 positions right (clockwise) = 4 o'clock. R opposite to P = 10 o'clock position. Wait - recalculating: P at 2 o'clock, R opposite = 8 o'clock. If Q at 12, P 2 right = 4 o'clock (counting 12,1,2,3,4), then R opposite = 10 o'clock. Answer should be reconsidered based on exact counting.

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Q.49 Medium Reasoning Ability Puzzles & Seating Arrangement
Pointing to a photograph, a man says 'She is the daughter of my father's only son.' Who is the woman in the photograph to the man?
A His wife
B His daughter
C His sister
D His mother
Correct Answer:  B. His daughter
EXPLANATION

Father's only son is the man himself. His daughter is the woman in the photo.

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Q.50 Medium Reasoning Ability Puzzles & Seating Arrangement
In a row of 7 cars, Red car is 3rd from left. Blue car is 2 positions to the right of Red car. What is Blue car's position from right?
A 2nd
B 3rd
C 4th
D 5th
Correct Answer:  B. 3rd
EXPLANATION

Red car at position 3 from left. Blue car at position 5 from left = position 3 from right in a row of 7.

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