If BOOK is coded as 2-15-15-11, and LOOK is coded as 12-15-15-11, then TOOK is coded as?

The correct answer is A: 20-15-15-11. T is 20th letter. O is 15th, O is 15th, K is 11th. TOOK = 20-15-15-11.

Complete the series: 2, 6, 12, 20, 30, 42, __

The correct answer is B: 56. Pattern: 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.

Rahul walked 10m north, then turned right and walked 15m, then turned left and walked 5m. What is his final direction from the starting point?

The correct answer is A: North-East. Final position: 15m East, 15m North from start = North-East direction

No reptiles are mammals. Some reptiles are dangerous. Conclusion: Some dangerous things are not mammals. Is this valid?

The correct answer is A: Valid. Since no reptiles are mammals, and some reptiles are dangerous, then some dangerous things (the dangerous reptiles) are not mammals. Valid conclusion.

Pointing to a man, Priya says 'His mother is my mother's daughter'. How is the man related to Priya?

The correct answer is B: Son. Mother's daughter = Priya. So the man's mother is Priya, making him Priya's son.

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Q.141 Medium Blood Relations

If all roses are flowers, and some flowers are red, which of the following must be true?

A All roses are red

B Some roses are red

C No roses are red

D We cannot determine if any roses are red

Correct Answer: D. We cannot determine if any roses are red

Explanation:

All roses are flowers (true). Some flowers are red (true). But this doesn't guarantee roses are among those red flowers.

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Q.142 Medium Blood Relations

Statement: All doctors are professionals. Some professionals are not ethical. Conclusion: Some doctors are not ethical.

A Definitely true

B Definitely false

C Cannot be determined

D Possibly true

Correct Answer: C. Cannot be determined

Explanation:

All doctors are professionals (given). Some professionals are not ethical (given). But it's possible that the unethical professionals are not doctors. Conclusion cannot be determined.

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Q.143 Medium Blood Relations

In a family, there are 6 members: A, B, C, D, E, F. A is married to B. C and D are children of A and B. E is married to C. F is the child of C and E. Who is the mother-in-law of E?

A A

B B

C C

D F

Correct Answer: B. B

Explanation:

E is married to C. C is the child of A and B. B is the mother of C. Therefore, B is the mother-in-law of E.

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Q.144 Medium Blood Relations

All smartphones are electronic devices. Some electronic devices are expensive. Conclusion: Some smartphones are expensive. Is this conclusion valid?

A Valid

B Invalid

C Cannot be determined

D Partially valid

Correct Answer: B. Invalid

Explanation:

The conclusion does not follow logically. Some electronic devices being expensive doesn't guarantee smartphones are included in that some.

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Q.145 Medium Blood Relations

In a family, X is the sister of Y. Y is the brother of Z. Z is the father of W. How is X related to W?

A Aunt

B Grandmother

C Mother

D Sister

Correct Answer: A. Aunt

Explanation:

X is sister of Y. Y is brother of Z (so Z is also sibling of X). Z is father of W. Therefore, X is aunt of W.

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Q.146 Medium Blood Relations

If MOUNTAIN = 13-15-21-14-20-1-9-14, how many letters in the code have odd position values?

A 3

B 4

C 5

D 6

Correct Answer: C. 5

Explanation:

Odd values: 13(M), 21(U), 15(O), 1(A), 9(I) = 5 letters with odd position values.

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Q.147 Medium Blood Relations

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?

A Q

B S

C R

D P

Correct Answer: A. Q

Explanation:

Order: P-Q-S-R-T. Second from left is Q.

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Q.148 Medium Blood Relations

Statements: All engineers are logical. Some logical people are creative. Conclusion: All engineers are creative. Is this valid?

A Valid

B Invalid

C Cannot determine

D Partially valid

Correct Answer: B. Invalid

Explanation:

Being logical doesn't guarantee being creative. Some logical people are creative doesn't extend to all engineers.

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Q.149 Medium Blood Relations

If PENCIL is coded as 16-5-14-3-9-12, how is ERASER coded?

A 5-18-1-19-5-18

B 6-19-2-20-6-19

C 5-18-1-19-5-19

D 6-18-1-20-5-18

Correct Answer: A. 5-18-1-19-5-18

Explanation:

Using position values: E=5, R=18, A=1, S=19, E=5, R=18.

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Q.150 Medium Blood Relations

Looking at a portrait, Anita said, 'His mother is my mother's only daughter.' Who is the person in the portrait?

A Her brother

B Her son

C Her nephew

D Her father

Correct Answer: B. Her son

Explanation:

Mother's only daughter is Anita herself. So Anita's mother is the person's grandmother, making the person her son.

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