Advertisements
Advertisements
प्रश्न
Write the cardinal number of the following set:
F = {Whole numbers from 8 to 14}
Advertisements
उत्तर
F={8, 9, 10, 11, 12, 13, 14} i.e. n(F) = 7
APPEARS IN
संबंधित प्रश्न
Given:
A = {Natural numbers less than 10}
B = {Letters of the word ‘PUPPET’}
C = {Squares of first four whole numbers}
D = {Odd numbers divisible by 2}.
Find: n(B)
State true or false for the following. Correct the wrong statement.
n(Φ) = 1
State true or false for the following. Correct the wrong statement.
If T ={a, l, a, h, b, d, h), then n(T) = 5
In a class, all students take part in either music or drama or both. 25 students take part in music, 30 students take part in drama and 8 students take part in both music and drama. Find the number of students who take part in only music
In a colony, 275 families buy Tamil newspaper, 150 families buy English newspaper, 45 families buy Hindi newspaper, 125 families buy Tamil and English newspaper, 17 families buy English and Hindi newspapers, 5 families buy Tamil and Hindi newspaper and 3 families buy all the three newspaper. If each family buy atleast one of these newspaper then find Number of families buy only one newspaper
In the adjacent diagram, if n(U) = 125, y is two times of x and z is 10 more than x, then find the value of x, y and z
Each student in a class of 35 plays atleast one game among chess, carrom and table tennis. 22 play chess, 21 play carrom, 15 play table tennis, 10 play chess and table tennis, 8 play carrom and table tennis and 6 play all the three games. Find the number of students who play only chess (Hint: Use Venn diagram)
The shaded region in the Venn diagram is
Which symbol is used to denote the cardinality of a set A?
What is the cardinality of an infinite set?
