Let F1 be the set of all parallelograms, F2 the set of rectangles, F3&

Question

Let

F_{1}

be the set of all parallelograms,

F_{2}

the set of rectangles,

F_{3}

the set of rhombuses,

F_{4}

the set of squares and

F_{5}

the set of trapeziums in a plane, then

F_{1}

is equal to

Options:

A . F2∩F3

B . F2∪F3∪F4

C . F3∩F4

D . F2∩F1

Answer: Option B
:
B
Since every rectangle, rhombus and square is parallelogram so

F_{1}

F_{2} \cup F_{3} \cup F_{4}

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