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Six points lie on the circumference of a circle. What is the [#permalink]
05 Oct 2009, 05:11

1

This post received KUDOS

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00:00

A

B

C

D

E

Difficulty:

15% (low)

Question Stats:

78% (01:59) correct
22% (01:28) wrong based on 156 sessions

Six points lie on the circumference of a circle. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?

Re: Six points lie on the circumference of a circle. What is the [#permalink]
16 Aug 2014, 06:06

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Re: Six points lie on the circumference of a circle. What is the [#permalink]
13 Oct 2014, 03:26

study wrote:

Six points lie on the circumference of a circle. What is the positive difference between the number of triangles and the number of quadrilaterals that can be created by connecting these points?

A. 4 B. 5 C. 6 D. 15 E. 20

Number of triangles can be formed out of 6 points= 6C3=20 Number of quadrilaterals can be formed out of 6 points= 6C4=15

20-15=5.

Answer=B

gmatclubot

Re: Six points lie on the circumference of a circle. What is the
[#permalink]
13 Oct 2014, 03:26

Back to hometown after a short trip to New Delhi for my visa appointment. Whoever tells you that the toughest part gets over once you get an admit is...