1 Answers
Option 4 : Only (ii) and (iv)
Explanation:
Case (i): All rectangles are squares.
All squares are rectangles but all rectangles are not squares.
Thus, (i) is false.
Case (ii): All rhombuses are parallelograms.
A parallelogram has opposite sides equal which a rhombus also has. Because all the sides of a rhombus are equal.
Thus, (ii) is true.
Case (iii): All squares are not parallelograms
A parallelogram has opposite sides equal which a square also has. Because all the sides of a square are equal.
Thus, (iii) is false.
Case (iv): All squares are trapeziums.
All the squares are trapezium because all squares have pairs of parallel sides. A trapezium is a quadrilateral in which the pair of opposite sides are parallel.
Thus, (iv) is true.
Hence, (ii) and (iv) are correct.