Some clouds are white. All white things are visible. Which of the following must be true?

The correct answer is C: Some clouds are visible. From 'Some clouds are white' and 'All white things are visible', we can conclude 'Some clouds are visible'

A person walks 8 km East, then 6 km North, then 8 km West. How far is he from the starting point?

The correct answer is A: 6 km. Net displacement: East 8km and West 8km cancel out. Only 6 km North remains. Distance from start = 6 km.

In a code, if PENCIL is written as 16-5-14-3-9-12, how is PAPER written?

The correct answer is A: 16-1-16-5-18. Each letter is coded by its position in the alphabet. P=16, A=1, P=16, E=5, R=18. So PAPER = 16-1-16-5-18.

DOCTOR is to HOSPITAL as JUDGE is to:

The correct answer is B: Court. A doctor works in a hospital; a judge works in a court. Functional relationship.

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Showing 1–6 of 6 questions in Coding-Decoding

Q.1 Hard Coding-Decoding

Five friends are sitting in a circle. A sits opposite to C. B sits to the right of A. D is not adjacent to A. How many positions can E occupy?

A 1

B 2

C 3

D 4

Correct Answer: B. 2

Explanation:

In circle of 5: A-B-?-D-C or A-?-D-?-C patterns. With constraints, E can occupy 2 specific positions maintaining the circular arrangement.

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Q.2 Hard Coding-Decoding

In a family, there are 6 members. X is married to Y. X has two children with Y. Z is brother of X. Z is married to W. W has sister V. How many females are there (minimum)?

A 2

B 3

C 4

D 5

Correct Answer: B. 3

Explanation:

Y (wife), W (wife), V (sister). Minimum 3 females identified. Children's gender unspecified.

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Q.3 Hard Coding-Decoding

All students are learners. Some learners are successful. All successful people are happy. Which is definitely true?

A All students are happy

B Some students are happy

C Some learners are happy

D All learners are happy

Correct Answer: C. Some learners are happy

Explanation:

Some learners are successful, and all successful people are happy, therefore some learners are definitely happy.

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Q.4 Hard Coding-Decoding

Statement: All politicians are ambitious. Some ambitious people are corrupt. Conclusion: Some politicians are corrupt.

A The conclusion follows

B The conclusion does not follow

C Data is insufficient

D Definitely false

Correct Answer: B. The conclusion does not follow

Explanation:

Though all politicians are ambitious and some ambitious people are corrupt, we cannot conclude that the corrupt ones are from the politician group.

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Q.5 Hard Coding-Decoding

In a circular arrangement of 8 people, if person A is at position 1 and person B is directly opposite, at what position is B?

A 3

B 4

C 5

D 6

Correct Answer: C. 5

Explanation:

In a circle of 8, position 1 is opposite to position (1+8/2)=5. So B is at position 5.

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Q.6 Hard Coding-Decoding

A, B, C, D, E are sitting in a circle. A is opposite to C. B is to the immediate right of A. D is between C and E. Who sits to the immediate left of C?

A E

B D

C B

D A

Correct Answer: A. E

Explanation:

In circle: A-B (right of A)-E-D-C (opposite to A). From C going left: C-D-E-B-A. So A sits to the immediate left of C when going counterclockwise

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