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Seven people A, B, C, D, E, F, G were standing in a row according to their age in decreasing order such that the eldest person was standing in the front. Further it is known that G who was elder to F was standing adjacent to A. C was second youngest and was standing just behind E. F was not the youngest while D was standing at the front. A was not standing adjacent to D. How many people were standing between A and B?
  • a)
    2
  • b)
    3
  • c)
    1
  • d)
    4
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Seven people A, B, C, D, E, F, G were standing in a row according to ...
D was standing at the front, so D was the eldest. C was second youngest and was standing just behind E, so E was third youngest.
D > ___ >___>___> E > C> ___
Now G was elder to F and adjacent to A. Also A was not seated adjacent to D.
D > G > A > ___>E > C >___
Since F was not the youngest. Hence
D > G > A > F > E > C > B.
So three people were seated between A and B.
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Most Upvoted Answer
Seven people A, B, C, D, E, F, G were standing in a row according to ...
To solve this problem, we need to analyze the given information and make deductions to determine the positions of the people in the row. Let's break down the given information and solve step by step:

Given information:
1. The eldest person is standing in the front.
2. G is elder to F and is standing adjacent to A.
3. C is second youngest and is standing just behind E.
4. F is not the youngest.
5. D is standing at the front.
6. A is not standing adjacent to D.

Step 1: Determine the positions of D and G.
- From information 5, we know that D is standing at the front.
- Since G is elder to F and standing adjacent to A (information 2), G cannot be standing at the front. Therefore, G must be standing behind D.

The row so far: D G

Step 2: Determine the position of F.
- From information 4, F is not the youngest.
- Since G is elder to F (information 2), F must be standing behind G.

The row so far: D G F

Step 3: Determine the position of C.
- From information 3, C is second youngest and is standing just behind E.
- Since F is not the youngest (information 4), C cannot be standing behind F. Therefore, C must be standing behind E.

The row so far: D G F E C

Step 4: Determine the positions of A and B.
- From information 2, G is standing adjacent to A.
- Since G is currently behind D and F, A cannot be standing adjacent to D or F. Therefore, A must be standing adjacent to G.

The row so far: D G A F E C

- B is the only person left, so B must be standing at the end of the row.

The final row: D G A F E C B

Step 5: Determine the number of people between A and B.
- From the final row, we can see that there are 3 people (F, E, and C) between A and B.

Therefore, the correct answer is option B) 3.
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Seven people A, B, C, D, E, F, G were standing in a row according to their age in decreasing order such that the eldest person was standing in the front. Further it is known that G who was elder to F was standing adjacent to A. C was second youngest and was standing just behind E. F was not the youngest while D was standing at the front. A was not standing adjacent to D. How many people were standing between A and B?a)2b)3c)1d)4Correct answer is option 'B'. Can you explain this answer?
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