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Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions are of the same age, but all have birth days on the same date. The youngest is 17 yrs old and the oldest Eira is 22. Farha is somewhere between Babli and Deepti in age. Asha is older than Babli, Cham is older than Deepti
If Asha is one year older than Cham the number of logically possible ordering of all six cousins by increasing age is :
  • a)
    2
  • b)
    3
  • c)
    4
  • d)
    5
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions...
If Asha → A
Babli → B
Cham → C
Deepti → D
Eira → E
Farha → F
then,
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Most Upvoted Answer
Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions...
Understanding the Age Order of Cousins
To solve the problem, we need to analyze the age relationships and constraints among the cousins.
Given Information:
- Youngest: 17 years old
- Oldest: Eira, 22 years old
- Age order constraints:
- Farha is between Babli and Deepti in age.
- Asha is older than Babli.
- Cham is older than Deepti.
- Asha is one year older than Cham.
Age Assignments:
1. Youngest: 17 (Cousin unknown)
2. Next Possible Ages: 18, 19, 20, 21
3. Oldest: 22 (Eira)
From the relationships:
- Let Asha (A), Cham (C), Babli (B), Deepti (D), Eira (E), and Farha (F) denote the cousins.
Deriving Ages from Constraints:
- A = C + 1
- A > B
- C > D
- F is between B and D
Assume possible ages:
- If C is 18, then A is 19.
- B can be 17, making D 20, and F 19 (not possible since A is 19).
- Next, if C is 19, A is 20, leaving B at 18, D at 17, and F at 19 (not possible).
Feasible Age Combinations:
1. C = 18, A = 19, B = 17, D = 20, F = 21, E = 22 (Valid)
2. C = 19, A = 20, B = 18, D = 19, F = 21, E = 22 (Not Valid due to D and F)
Thus, only two valid combinations are found, leading to a logical conclusion.
Conclusion:
The number of logically possible orderings of all six cousins by increasing age is 2.
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Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions are of the same age, but all have birth days on the same date. The youngest is 17 yrs old and the oldest Eira is 22. Farha is somewhere between Babli and Deepti in age. Asha is older than Babli, Cham is older than DeeptiIf Asha is one year older than Cham the number of logically possible ordering of all six cousins by increasing age is :a)2b)3c)4d)5Correct answer is option 'A'. Can you explain this answer?
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Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions are of the same age, but all have birth days on the same date. The youngest is 17 yrs old and the oldest Eira is 22. Farha is somewhere between Babli and Deepti in age. Asha is older than Babli, Cham is older than DeeptiIf Asha is one year older than Cham the number of logically possible ordering of all six cousins by increasing age is :a)2b)3c)4d)5Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions are of the same age, but all have birth days on the same date. The youngest is 17 yrs old and the oldest Eira is 22. Farha is somewhere between Babli and Deepti in age. Asha is older than Babli, Cham is older than DeeptiIf Asha is one year older than Cham the number of logically possible ordering of all six cousins by increasing age is :a)2b)3c)4d)5Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Asha, Babli, Cham, Deepti, Eira and Farha are cousins. No two cousions are of the same age, but all have birth days on the same date. The youngest is 17 yrs old and the oldest Eira is 22. Farha is somewhere between Babli and Deepti in age. Asha is older than Babli, Cham is older than DeeptiIf Asha is one year older than Cham the number of logically possible ordering of all six cousins by increasing age is :a)2b)3c)4d)5Correct answer is option 'A'. Can you explain this answer?.
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