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The heights of seven boys B1, B2, B3, B4, B5, B6 and B7 is compared. They all have different heights. B2 is taller than B1 and
B6. B7 is shorter than B3 and B4 but taller than B5. B5 is taller than only three boys and B3 is the tallest.
How many boys are shorter than B4 and taller than B2?
2
4
3
1
- The boys have different heights, with B3 being the tallest.
- B2 is taller than B1 and B6, but we don't know exactly how many boys are shorter than B2 yet.
- B7 is taller than B5 but shorter than B3 and B4.
- B5 is taller than only three boys, indicating B5's height is towards the lower end.
- To determine how many boys are shorter than B4 and taller than B2, let's rank the heights:
- B3 > B4 > B7 > B2 > B1 > B6 > B5.
- B4 is taller than B7 and B2 is not between them; hence B4 is taller than all above.
- Only B7 is shorter than B4 and taller than B2.
- Answer: Option 4 - 1
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