All triangles are shapes. Some shapes are colored. No colored things are invisible. Which conclusion is valid?

The correct answer is C: Some triangles may not be invisible. 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.

Seven people A, B, C, D, E, F, G sit around a circular table facing the center. D sits second to the left of A. B sits third to the right of A. E sits between C and F. Who sits to the immediate right of G?

The correct answer is A: C. Using circular arrangement logic: A's position is fixed. D is 2nd to left (clockwise from A's perspective). B is 3rd to right. E between C and F helps determine the remaining positions. C sits to immediate right of G.

Find the odd one out: 121, 144, 169, 196, 225, 289

The correct answer is C: 289. 121=11², 144=12², 169=13², 196=14², 225=15². These are consecutive perfect squares. 289=17², which breaks the consecutive sequence. 289 is the odd one.

In a series: 100, 99, 97, 94, 90, ? What is the next number?

The correct answer is A: 85. Differences: -1, -2, -3, -4, -5. Next difference is -5, so 90 - 5 = 85

Five people P, Q, R, S, T are sitting in a row. R is in the middle. P and Q are on the left of R. T is to the right of R. S is between Q and R. Who is sitting second from the left?

The correct answer is A: Q. Order: P-Q-S-R-T. Second from left is Q.

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Reasoning Ability

Critical thinking and logical reasoning questions

216 Q 8 Topics Take Mock Test

Difficulty: All Easy Medium Hard 171–180 of 216

Topics in Reasoning Ability

All Puzzles & Seating Arrangement 172 Syllogism 50 Coding-Decoding 50 Blood Relations 50 Direction & Distance 50 Inequalities 50 Series & Analogies 50 Ranking & Order 50

Q.171 Easy Puzzles & Seating Arrangement

Which number should replace the question mark? 8, 24, 72, 216, ?

A 540

B 648

C 720

D 864

Correct Answer: B. 648

EXPLANATION

Each number is multiplied by 3. 8×3=24, 24×3=72, 72×3=216, 216×3=648.

Test

Q.172 Easy Puzzles & Seating Arrangement

From point A, I walk 5 km north, then 3 km east, then 5 km south, then 2 km west. Where am I relative to point A?

A 1 km east

B 1 km west

C 3 km east

D 2 km north

Correct Answer: A. 1 km east

EXPLANATION

North 5, then south 5 cancels out. East 3, then west 2 = 1 km east net displacement.

Test

Q.173 Easy Puzzles & Seating Arrangement

A is the father of B. C is the daughter of B. D is the brother of B. What is D to C?

A Uncle

B Father

C Grandfather

D Aunt

Correct Answer: A. Uncle

EXPLANATION

A is father of B, D is brother of B, C is daughter of B. So D is the brother of C's father, making D an uncle to C.

Test

Q.174 Easy Puzzles & Seating Arrangement

If MATHEMATICS is coded as 13-1-20-8-5-13-1-20-9-3-19, how is LOGIC coded?

A 12-15-7-9-3

B 12-14-7-10-2

C 11-15-8-9-3

D 13-16-8-11-4

Correct Answer: A. 12-15-7-9-3

EXPLANATION

Each letter is coded by its position in alphabet. L=12, O=15, G=7, I=9, C=3.

Test

Q.175 Easy Puzzles & Seating Arrangement

In a row of 8 people, A sits 3rd from left. B sits 5 positions to the right of A. What is B's position from the right?

A 2nd

B 3rd

C 4th

D 5th

Correct Answer: A. 2nd

EXPLANATION

A is 3rd from left, so B is at position 3+5=8. From right, 8th position = 1st from right. Wait, recalculating: A at 3rd, B at 8th from left means B is at 8-8+1=1st from right. Actually 9-8=1st from right.

Test

Q.176 Easy Puzzles & Seating Arrangement

In a logic puzzle with 4 people and 4 attributes, if person A has attribute 1, person B doesn't have attribute 1, and persons C and D share attribute 1, then how many people have attribute 1?

A 1

B 2

C 3

D 4

Correct Answer: C. 3

EXPLANATION

Person A has attribute 1 (count: 1). B doesn't have it (count: 1). C and D both have it (count: 1 + 2 = 3). Total: 3 people have attribute 1.

Test

Q.177 Easy Puzzles & Seating Arrangement

In a race, Arjun finishes before Bhavna, and Bhavna finishes before Chaya. Devi finishes before Arjun. Who finishes last?

A Bhavna

B Chaya

C Devi

D Arjun

Correct Answer: B. Chaya

EXPLANATION

Order: Devi < Arjun < Bhavna < Chaya. Chaya finishes last.

Test

Q.178 Easy Puzzles & Seating Arrangement

If CATS is coded as 3-1-20-19, then DOGS is coded as?

A 4-15-7-19

B 4-16-7-19

C 5-15-7-19

D 4-15-8-19

Correct Answer: A. 4-15-7-19

EXPLANATION

Each letter is replaced by its position in the alphabet: C=3, A=1, T=20, S=19. Similarly: D=4, O=15, G=7, S=19. Answer: 4-15-7-19.

Test

Q.179 Easy Puzzles & Seating Arrangement

Complete the series: Z, Y, X, W, V, U, __, __

A T, S

B S, R

C U, T

D V, U

Correct Answer: A. T, S

EXPLANATION

The series is in reverse alphabetical order, decreasing by 1 each time. After U comes T, then S.

Test

Q.180 Easy Puzzles & Seating Arrangement

ELEPHANT : TRUNK :: KANGAROO : ?

A POUCH

B TAIL

C LEG

D FOOT

Correct Answer: A. POUCH

EXPLANATION

As trunk is a distinctive feature/characteristic of elephant, pouch is a distinctive feature of kangaroo. The analogy is based on unique features.

Test

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