Q5 of 43 Page 3

Write the following sets using rule method. We know that in rule method, we do not write the list of elements but write the general element using variable followed by a vertical line or colon and write the property of the variable.

i. A = {1,4,9,16,25,36,49,64,81,100}


ii. B = {6,12,18,24,30,36,42,48}


iii. C = {S, M, I, L, E}


iv. D = {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}

i. A = {x| x is a perfect square number from 1 to 101}


ii. B = {y| y is a multiple of 6 and is less than 50}


iii. C = {z| z is a letter of the world ‘SMILE’.}


iv. D = {p | p is a day of the week}


More from this chapter

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3

Write any two sets by listing method and by rule method.

 4

Write the following sets using listing method.

i. All months in the Indian solar year.


ii. Letters in the word ‘COMPLEMENT’.


iii. Set of human sensory organs.


iv. Set of prime numbers from 1 to 20.


v. Names of continents of the world.

 1

Decide which of the following are equal sets and which are not? Justify your answer.

A = {x|3x – 1 = 2}


B = {x | x is a natural number but x is neither prime nor composite}


C = {x |x ∈ N, x < 2}

 2

Decide whether set A and B are equal sets. Give reason for your answer.

A = Even prime numbers


B = {x| 7x – 1 = 13}