Question

1)If A={2,3,4,5,6,7}B={2,4,7,8}C={2,4} Find: a) AUB b) BUC c) AUC d) n(A) e) n(B)

2)If P={1,2,3} Q={2,3,4},R={3,4,5} Find a)P∩Q b)P∩R c)Q∩R
3) If A={a,b,c,d}B={b,c,d,e}C={c,d,e,f} Find a)A-B b)B-C c)C-B
4) Write true/false
i) The collection of girls in your class is a set.
ii) The collection of all beautiful flowers in the garden is a set.
5) Write in roaster form of representation
i)A= set of even numbers less than 13
ii)B=set of integers between 2 and -2
6) Write in set builder form of representation.
i)A={1,2,3,5,6} ii)B={2,4,6,8,10}
7. Write in tabular form:
i) The set of first 8 prime numbers.
ii) The set of last 10 English alphabets in English
iii) The set of 5 rivers in Punjab.
iv) The set of all planets in our solar system.
v)The name of the states in India that starts with the letter A.
8. A={ 1,2,3,4,……10}. B={2,4,6,8,10,12,14} C={1,3,5,7,9,11}. Find: A∩B, A∩C, BUA, B – C,
9 Find the cardinal number of the set of all the prime numbers between 1 and 70.
10. Write the set of even prime numbers. Find the cardinal number of the set.

Answer 1

Answer:

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