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In a plane there are two sets of paralle...

In a plane there are two sets of parallel lines one of p lines and the other of q lines. If the lines of one set cut the other, then the number of different paralleograms that can be formed is

A

`(Pq(p-1)(q-1))/2`

B

`(Pq(p-1)(q-1))/4`

C

`(Pq(p-1)(q-1))/6`

D

none of these

Text Solution

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The correct Answer is:
B
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