21. Sometimes a................can be a square.

1. rhombus
2. rectangle
3. trapezium
4. none of these.

22. The diagonals are perpendicular in a

1. rectangle
2. trapezium
3. parallelogram
4. rhombus.

23. The diagonals of a quadrilateral are congruent but do not bisect each other. This quadrilateral is

1. an isosceles trapezoid
2. a parallelogram
3. a rectangle
4. a rhombus

24. The diagonals of a rhombus are

1. equal
2. parallel
3. unequal
4. none of these.

25. The diagonals of a trapezium are

1. not equal
2. equal
3. sometimes equal
4. none of these.

26. The diagonals of a trapezium are not perpendicular.

1. always true
2. false statement
3. sometimes true
4. none of these.

27. The figure formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a square only, if

1. ABCD is a rhombus
2. diagonals of ABCD are equal
3. diagonals of ABCD are equal and perpendicular
4. diagonals of ABCD are perpendicular

28. The figure obtained by joining the mid-points of the sides of a rhombus, taken in order, is

1. a rhombus
2. a rectangle
3. a square
4. any parallelogram

29. The quadrilateral formed by joining the mid-points of the side of quadrilateral PQRS, taken in order, is a rhombus, if

1. PQRS is a rhombus
2. PQRS is a parallelogram
3. diagonals of PQRS are perpendicular
4. diagonals of PQRS are equal

30. The quadrilateral formed by joining the mid-points of the sides of a quadrilateral PQRS, taken in order, is a rectangle, if

1. PQRS is a rectangle
2. PQRS is a parallelogram
3. diagonals of PQRS are perpendicular
4. diagonals of PQRS are equal
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MCQ Multiple Choice Questions and Answers on Quadrilaterals