Question

Sots
1
EXERCISE - 2.1
Which of the following are sets? Justify your answer
The collection of all the months of a year begining with the letter "J".
(11) The collection of ten most talented writers of India
A team of eleven best cricket batsmen of the world
The collection of all boys in your class.
(V) The collection of all even integers
ITA-{0,2,4,6, B = 13,5,7) and C {p.4, 1. then fill the appropriate symbol.
e or in the blanks
0.
c
(m) 4 B
A
(vi) 7
B
Express the following statements using symbols
The element does not belong to 'A
d' is an element of the set B
'I' belongs to the set of Natural numbers.
(IV) '8 does not belong to the set of prime numbers P.
State whether the following statements are true or false. Justify your answer
(1) Se set of prime numbers
(10)
S-5, 6, 7) implies 8 S.
SW where is the set of whole numbers
8
Z where z 'is the set of integers.
Write the following sets in roster form
(1) Bir is a natural number smaller than o)
( x x is a two digit natural number such that the sum of its digits is 8)
Dxx is a prime number which is a divisor of 60)
(IV) Exis an alphabet in BETTER)
Write the followmg sets in the set builder form
13.6.9. 121
(2, 4, 8, 16, 32)
19.25, 125,6257
{1.4.9, 16, 25, 100)
Write the following sets in roster form
(1 Arxis a catural number greater than 50 but smaller than 100
Bis an mteger, r-4)
Disa letter in the word "LOYAL"}
Ex -20° 1.-3ns), ne z
2
Sole 2020-21​

Answer 1

Explanation:

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