X's mother is Y's sister. Y is Z's mother. How is X related to Z?
Answer: C
X's mother = Y's sister. Y = Z's mother. So X is the sibling of Z's mother, making X the uncle/aunt of Z.
Q.222Medium
Some students are athletes. All athletes are disciplined. No undisciplined person is a student. Based on this, which conclusion is valid?
Answer: B
From the premises: Some students → athletes → disciplined. Therefore, at least some disciplined people are students.
Q.223Medium
CLOCK is to TIME as THERMOMETER is to ?
Answer: B
A clock measures time. A thermometer measures temperature. The relationship is instrument to quantity it measures.
Q.224Medium
In a classroom, 7 students stand in a line. Vikram is 4th from the left. Shreya is 3 positions to the right of Vikram. What is Shreya's position from the left?
Answer: B
Vikram is 4th from left. Shreya is 3 positions to his right: 4 + 3 = 7th position
Q.225Medium
Pointing to a woman, Amit says 'She is the daughter of my mother's brother'. How is Amit related to that woman?
Answer: A
Mother's brother = Uncle. His daughter = Cousin. So the woman is Amit's cousin.
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Q.226Medium
If in a code language, MAKE becomes PDNH, what does TAKE become?
Standing in a circle, Aman, Bina, Charu, and Deepak are arranged such that Aman is directly opposite Charu. Bina is to the right of Aman. Where is Deepak?
Answer: A
In a circle of 4: Aman opposite Charu. Bina right of Aman. Then Deepak must be left of Aman (or equivalently, between Aman and Charu on left side)
Q.233Medium
Some cats are animals. All animals are living things. Therefore, some cats are living things. Is this conclusion valid?
Answer: A
If all animals are living things and some cats are animals, then logically some cats must be living things. This is a valid syllogistic conclusion
Q.234Medium
All doctors are professionals. Some professionals are ethical. Which conclusion is valid?
Answer: D
From 'All doctors are professionals' and 'Some professionals are ethical', we cannot definitively conclude anything about the relationship between doctors and ethical people, as the 'some professionals' may or may not include doctors.
Q.235Medium
In a series, if each term is obtained by multiplying the previous term by 2 and adding 1: 1, 3, 7, 15, 31, ?, then the next term is?
Answer: B
Pattern: (1×2)+1=3, (3×2)+1=7, (7×2)+1=15, (15×2)+1=31, (31×2)+1=63. The next term is 63.
Q.236Medium
Five friends A, B, C, D, E are sitting in a row. D is between A and E. B is between E and C. What is the seating order from left to right?
Answer: A
D is between A and E means either A-D-E or E-D-A. B is between E and C means E-B-C. Combining: A-D-E-B-C satisfies both conditions.
Q.237Medium
If the relationship 'X is the father of Y' is true, and 'Y is the brother of Z', then which statement must be true?
Answer: B
If X is father of Y, and Y is brother of Z, then Z must be a child of X. Since Y is Z's brother, Z shares the same parents as Y. Therefore, X is the father of Z.