1.   Which of the following are sets ? 

(i)  The collection of good books _____________________________________

(ii)  The collection of prime numbers less than 30 _____________________________________

2.  Let A = {0, 1, 2, 3, 4, 5}. Insert the appropriate symbol  ∈ or  ∉ in the blank spaces.

(i) 0 ----- A (ii) 6 ----- A (iii) 3 ----- A (iv) 4 ----- A (v) 7 ----- A

3. Write the following sets in Descriptive form

(i)  A  =  {a, e, i, o, u} _____________________________________________________

(ii) C  =  {1, 4, 9, 16, 25} _____________________________________________________

4. Write the following sets in Roaster/Tabular form.

(i)  The set of all positive even numbers ___________________________________

(ii)  The set of all whole numbers less than 20 ___________________________________

6. List all the subsets of {t, i} then write Proper & Improper.

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7. Set A, B, C and D are defined by: 
8. 
   A = {2,3,4,5,6,7} ii. B = {3,5,7} iii. C = {3,5,7,4,6,2} iv. D = {20,25,30}
   
   
9. Which two sets are equal and equivalent?

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1. Which two sets are overlap and disjoint.

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8. Which of the following are null ( Empty ) sets .

• { Primes divisible by 7 }
• { Asian countries that have won the world cup in soccer}
• { Whole numbers x, where 17 < x < 18 }
• { 0 }

9. Which of the following sets are finite or in-finite:

• { a, b, c, d, e, ............x, y, z }
• { 2, 4, 6, 8, 10, 12 ...... }
• { factors of 12 }
• { multiples of 12 }
• { triangles }
• { Prime numbers }

10. U={1,2,3,4,5,6,7,8,9,10}    A = {1, 2, 3, 5, 8,} and B = {2, 4, 5, 7}. Show the given sets in    

        venn  diagram.