Identify the following is set?
The collection of prime numbers upto 100.
Solution
A = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97}
As the collection of prime numbers upto 100 is known and can be counted (well defined).
Hence this is a set.
Identify the following is set?
The collection of rich people in India.
Solution
The collection of rich people in India.
Rich people has no definition.
Hence, it is not a set.
Identify the following is set?
The Collection of all rivers in India.
Solution
A = {Cauvery, Sindhu, Ganga}
Hence, it is a set.
Identify the following is set?
The Collection of good Hockey players.
Solution
The collection of good hockey players is not a well – defined collection because the criteria for determining a hockey player’s talent may vary from person to person.
Hence, this collection is not a set.
List the set of letters of the following words in Roster form.
INDIA
Solution
A = {I, N, D, A}
List the set of letters of the following words in Roster form.
PARALLELOGRAM
Solution
B = {P, A, R, L, E, O, G, M}
List the set of letters of the following words in Roster form.
MISSISSIPPI
Solution:
C = {M, I, S, P}
List the set of letters of the following words in Roster form.
CZECHOSLOVAKIA
Solution
D = {C, Z, E, H, O, S, L, V, A, K, I}
State Whether True or False
