Question 63
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Eight points are marked at equal spacing on a circle.
How many quadrilaterals have all four corners among these points?
- A 1,680
- B 56
- C 35
- D 70 Correct
Correct Answer: Option D
No three points on a circle are collinear
8C4 = 70
Trap: 1,680 counts order.
Answer: 70
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