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Let ABCD be a trapezium in which AB||DC ...

Let ABCD be a trapezium in which AB||DC and E be the mid-point of AD. If F be a point on BC such that EF||AB. Then EF, where F is the mid-point of BC, is equal to

A

AB + DC

B

`(1)/(2)(AB + DC)`

C

`(1)/(3)(AB + DC)`

D

None of these

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The correct Answer is:
B
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