Six siblings A, B, C, D, E and F are studying in different classes from first…
2023
Six siblings A, B, C, D, E and F are studying in different classes from first to sixth class (no two siblings in the same class). ‘A’ is one class senior to ‘B’. ‘C’ is two classes senior to ‘E’. ‘F’ is three classes senior to ‘E’. ‘A’ is either in first or second class. If ‘F’ is the senior-most sibling then who is studying in class three?
- A.
B
- B.
C
- C.
D
- D.
E
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Correct answer: D
If F is senior-most (class 6), then E = 6 − 3 = 3. C = E + 2 = 5. A cannot be class 1 (that would make B class 0), so A = 2 and B = 1; D is left with class 4. Therefore E is in class 3.