Write which of the following statements are true? Justify your answer: The set of all rectangles is contained in the set of all squares.

Write which of the following statements are true? Justify your answer: The set of all crows in contained in the set of all birds.

Write which of the following statements are true? Justify your answer: The set of all real numbers is contained in the set of all complex numbers.

Which of the folowing statements are true ? (i) The set of all rectangles is contained in the set of all squares. (ii) The sets A={ x:x is a letter of the word . 'LITTLE', B={x:x is a letter of the word 'TITLE',} are equal (iii) The set of all cats is contained in the set of all animals.

Write which of the following statements are true? Justify your answer: The sets P={a}a n d\ B={{a}} are equal.

Which of the following collections are sets? Justify your answer: The collection of prime integers.

Write of the following statements as true and false:- The set of rats is contained in the set of all animals.

Which of the following collections are sets? Justify your answer: The collection of all girls in your class.

Write of the following statements as true or false? The set of all equilateral triangles is a subset of the set of all isosceles triangles.

Write which of the following statements are true? Justify your answer: The sets A={x : x is a letter of the word LITTLE } and B={x : x is a letter of the word TITLE } are equal.

Which of the following statements is/are true for all the alkali metals ?