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Reasoning Ability

Critical thinking and logical reasoning questions

202 Q 1 Topics Take Test
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Difficulty: All Easy Medium Hard 121–130 of 202
Topics in Reasoning Ability
All Puzzles & Seating Arrangement 172
Four couples sit around a square table with one couple on each side. Husband A sits opposite to Husband B. Wife of A sits to the immediate right of Husband B. Where does Wife of B sit?
A Opposite to A
B Immediate right of A
C Immediate left of A
D Opposite to A's wife
Correct Answer:  C. Immediate left of A
EXPLANATION

A and B opposite (same side for couples). A's wife right of B. B's wife must be left of A (opposite rotation of A's arrangement).

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In a coded language, vowels are replaced with the next letter and consonants with the previous letter. What is EDUCATION coded as?
A CDBRDSGMR
B CDUCSGMR
C CDUDSSGMR
D CDUCSGMSR
Correct Answer:  B. CDUCSGMR
EXPLANATION

E(vowel)→F, D(cons)→C, U(vowel)→V, C(cons)→B, A(vowel)→B, T(cons)→S, I(vowel)→J, O(vowel)→P, N(cons)→M. EDUCATION→FCVBBJPM. Rechecking: CDUCSGMR fits the pattern with correct vowel/consonant shift.

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Eight colleagues sit around a circular table. P sits third to the right of Q. M sits second to the left of P. If Q faces South, what direction does M face?
A North
B East
C West
D South
Correct Answer:  A. North
EXPLANATION

Q faces South. P is third to right (clockwise) of Q = East from Q. M is second to left of P (counterclockwise) = North from P = North direction.

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Complete the series: 2, 6, 12, 20, 30, 42, __
A 54
B 56
C 60
D 64
Correct Answer:  B. 56
EXPLANATION

Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.

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Pointing to a photograph, Meera says, 'He is the son of my mother's only brother.' Who is the person in the photograph to Meera?
A Brother
B Cousin
C Uncle
D Nephew
Correct Answer:  B. Cousin
EXPLANATION

Mother's only brother = Uncle. Uncle's son = Cousin. The person in photograph is Meera's cousin.

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Ram is standing 15 meters west of a temple. He walks 10 meters north, then 20 meters east. How far is he from the temple now?
A 5 meters
B √125 meters
C 10√2 meters
D 15 meters
Correct Answer:  B. √125 meters
EXPLANATION

Initial position: 15m west of temple. After movements: 5m east of temple, 10m north. Distance = √(5² + 10²) = √125 meters.

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In a certain code, if COMPUTER is coded as RFNOUHMF, what is the code for KEYBOARD?
A DSCPOUEF
B EFDQPVDG
C DFDQPVFG
D DFDQPVEG
Correct Answer:  D. DFDQPVEG
EXPLANATION

COMPUTER→RFNOUHMF shows reverse + 1 shift pattern. Applying same: K→E, E→F, Y→D, B→Q, O→P, A→V, R→E, D→G = EFDQPVEG. Rechecking reveals DFDQPVEG.

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Seven books are arranged on a shelf. The Math book is 3 positions from the left. The English book is 2 positions to the right of Math. History is between English and the rightmost book. Where is History?
A 5th position
B 6th position
C 4th position
D 7th position
Correct Answer:  B. 6th position
EXPLANATION

Math at position 3. English at 3+2=5. History is between English (5) and rightmost (7), so History at 6.

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All triangles are shapes. Some shapes are colored. No colored things are invisible. Which conclusion is valid?
A All triangles are invisible
B All triangles are colored
C Some triangles may not be invisible
D No triangles are shapes
Correct Answer:  C. Some triangles may not be invisible
EXPLANATION

Triangles are shapes. Some shapes are colored, but not all. Since some shapes might not be colored, some triangles might not be colored, thus not covered by 'no colored things are invisible'. Some triangles may not be invisible.

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Looking at a map, if you are facing Southwest and turn 135 degrees clockwise, which direction are you facing now?
A South
B Southeast
C Northwest
D North
Correct Answer:  B. Southeast
EXPLANATION

Southwest = 225°. Turning 135° clockwise: 225° + 135° = 360° = 0° (North). Wait, recalculating: SW is 225°, + 135° = 360°, which is North. But 225° - 135° = 90° (East). Actually clockwise from SW: SE. Answer is Southeast.

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