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Question

PQRS is a parallelogram and M, N are the mid-points of PQ and RS respectively. Which of the following is not true ?
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A
RM trisects QS
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B
PN trisects QS
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C
ΔPSN ΔQMR
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D
MS is not parallel to QN
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Solution

The correct option is D MS is not parallel to QN
In parallelogram PQRS,

We know that PQ=SR

Given,
M is the mid-point of PQ and N is the mid-point of RS

PM=MQ=SN=NR ...(1)

and we know that sidesPQ and RS are parallel to each other.
QM and NS will also be parallel to each other.
We can say that MSNQ is a parallelogram
Hence its opposite sides will also be parallel

MSQN

option D is incorrect so the correct answer according to the question is Option D.

819933_197821_ans_252799f59ffb488a9c3b6777788c0b77.PNG

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