SATHEE: Permutations And Combinations Question 66

Permutations And Combinations Question 66

Question: The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is [WB JEE 1993; RPET 2001]

Options:

A) 6

B) 18

C) 12

D) 9

Show Answer

Answer:

Correct Answer: B

Solution:

Required number of ways $ {{=}^{4}}C_2{{\times }^{3}}C_2=18 $ .

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Permutations And Combinations Question 66

Question: The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is [WB JEE 1993; RPET 2001]

Options:

Answer:

Solution:

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