Seven people, E, F, G, H, K, L and N, are sitting in a row, facing the north.…
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Seven people, E, F, G, H, K, L and N, are sitting in a row, facing the north. Only two people sit between K and E. Only G sits to the right of H. Only one person sits between E and H. N sits at some place to the right of L but at some place to the left of F. How many people sit between F and L?
- A.
1
- B.
2
- C.
3
- D.
4
Attempted by 40 students.
Show answer & explanation
Correct answer: B
Let the seven positions from left to right be 1 to 7. Since everyone faces north, a person's right side is our right side.
Clue 1: Only G sits to the right of H.
This means H must be at position 6 and G at position 7.
Clue 2: Only one person sits between E and H.
Since H is at position 6, E must be at position 4.
Clue 3: Only two people sit between K and E.
Since E is at position 4, K must be at position 1. Position 7 is already occupied by G, so K cannot be there.
Current arrangement:
K _ _ E _ H G
Clue 4: N sits somewhere to the right of L but somewhere to the left of F.
The remaining positions are 2, 3 and 5. To satisfy L ... N ... F, we get:
L at position 2, N at position 3, F at position 5.
Final arrangement:
K, L, N, E, F, H, G
Between L(position 2) and F(position 5), the people are N and E. Therefore, 2 people sit between F and L.
Final answer: Option B