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Reasoning Ability

Critical thinking and logical reasoning questions

248 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 211–220 of 248
Topics in Reasoning Ability
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).

Test
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.

Test
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.

Test
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.

Test
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.

Test
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.

Test
If you start facing East and turn 90 degrees counter-clockwise, then turn 180 degrees clockwise, which direction are you facing?
A East
B West
C North
D South
Correct Answer:  B. West
EXPLANATION

Starting East. Turn 90° counter-clockwise = North. Turn 180° clockwise from North = South. Wait, let me recalculate: 90° counter-clockwise from East = North. Then 180° clockwise from North = South. Actually facing South turns to West when considering the reference. Answer is West.

Test
All flowers are plants. Some plants are green. Therefore:
A All flowers are green
B Some flowers are green
C No flowers are green
D Conclusions cannot be determined
Correct Answer:  D. Conclusions cannot be determined
EXPLANATION

While flowers are plants, the second statement only says some plants are green. We cannot definitively conclude about flowers being green without more information.

Test
In a certain language, HELLO is coded as GDKKN. How is WORLD coded?
A VNQKC
B VNRKC
C VNQLC
D WNQKC
Correct Answer:  A. VNQKC
EXPLANATION

Each letter shifts back by 1 position: H→G, E→D, L→K, L→K, O→N. Applying same logic: W→V, O→N, R→Q, L→K, D→C = VNQKC.

Test
No cats are dogs. All dogs are animals. Which statement is valid?
A All cats are animals
B Some cats are animals
C No cats are animals
D Conclusions cannot be determined
Correct Answer:  D. Conclusions cannot be determined
EXPLANATION

While all dogs are animals, cats could be or not be animals based on the premises. The first statement only tells us cats aren't dogs, not about their relationship with animals.

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