Five friends A, B, C, D, E sit in a row. A sits next to B. C sits next to D. E sits at one end. Who sits in the middle?
Answer: D
Multiple arrangements satisfy the given conditions, so the middle person cannot be uniquely determined.
Q.2Medium
If TIGER is coded as 65918 and LION is coded as 3452, how is GRIN coded?
Answer: D
T=6, I=5, G=9, E=8, R=1, L=3, O=4, N=2. G=9, R=1, I=5, N=2. But check: GRIN = G-R-I-N. Need position mapping from TIGER/LION. G=9, R=1, I=5, but N=8 from TIGER mapping. Answer is 6958.
Q.3Medium
Six people sit around a circular table. Meera sits opposite to Neha. Priya sits two seats to the left of Meera. Where does Priya sit relative to Neha?
Answer: C
In circular arrangement with 6 seats, if Meera and Neha are opposite (3 seats apart), and Priya is 2 seats to Meera's left, then Priya is 2 seats to Neha's right.
Q.4Medium
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.5Medium
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.
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Q.6Medium
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.7Medium
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.8Medium
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.
Q.9Medium
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.16Medium
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.17Medium
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.18Medium
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.19Medium
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.20Medium
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.
