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ABCD is a quadrilateral. E is the point of intersection of the lines joining the midpoints of the corresponding opposite sides. If O is any point and `vec(OA)+vec(OB)+vec(OC)+vec(OD)=xvec(OE)`, then x is equal to -

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CHHAYA PUBLICATION-VECTOR-SAMPLE QUESTIONS FOR COMPETITIVE EXAMINATION
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  12. ABCD is a parallelogram. L is a point on BC which divides BC in the ra...

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  13. ABCD is a parallelogram. L is a point on BC which divides BC in the ra...

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  14. Consider the regular hexagon ABCDEF with centre at O (origin). vec(A...

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  15. Consider the regular hexagon ABCDEF with centre at O (origin). Five ...

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  17. Statement - I: vec(a)=3hat(i)+phat(j)+3hat(k) " and " vec(b)=2hat(i)+3...

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