Question 11 Mark
Classify the following in to finite and infinite set:
$H =\{x: x$ is a diameter of a circle$\}$
View full question & answer→Question 21 Mark
Classify the following in to finite and infinite set:
$G =\{x: x$ is a point on an arc of a circle$\}$
View full question & answer→Question 31 Mark
Classify the folloewing in to finite and infinite set:
$F =\{x: x \in N, x$ is a factor of 1000$\}$
View full question & answer→Question 41 Mark
Classify the following in to finite and infinite set:
$E =\{x: x \in N, x$ is a multiple of 3$\}$
View full question & answer→Question 51 Mark
Classify the following in to finite and infinite set:
$D =\{x: x \in I , x > -1\}$
View full question & answer→Question 61 Mark
Classify the following in to finite and infinite set:
$C =\{x: x \in N, x > 100\}$
View full question & answer→Question 71 Mark
Classify the following in to finite and infinite set:
$B =\{x: x \in I , x < 100\}$
View full question & answer→Question 81 Mark
Classify the following in to finite and infinite set:
$A =\{x: x \in N, x < 100\}$
View full question & answer→Question 91 Mark
Which of the following set are equal?
$\phi$ and $\{0\}$
AnswerThe following sets are not equal.
View full question & answer→Question 101 Mark
Which of the following set are equal?
$G =\{x: x$ is a prime factor of 12$\}$ and
$H =\{x: x$ is prime, $x < 4\}$.
View full question & answer→Question 111 Mark
Which of the following set are equal?
$E =\{x: x \in N, x$ is odd, $x < 6\}$ and
$F =\{x: x \in N, x$ is a factor of $15, x < 15\}$.
View full question & answer→Question 121 Mark
Which of the following set are equal?
$C =\{x: x \in W, x < 8\}$ and
$D =\{x: x \in N, x < 9\}$.
AnswerThe following sets are not equal.
View full question & answer→Question 131 Mark
Which of the following set are equal?
$A =\{x: x \in N, 1 < x < 3\}$ and
$B =\{x: x$ is prime, $x$ is even$\}$.
View full question & answer→Question 141 Mark
Write the following set n roster fom and write its cardinal number :
$G =\{x: x$ is a letter in the word 'ALLAHABAD'$\}$.
Answer$G =\{ A , L , H , B , D \}, n( G )=5$
View full question & answer→Question 151 Mark
Write the following set n roster fom and write its cardinal number :
$F =\{x: x \in N, 5 < x < 6\}$
View full question & answer→Question 161 Mark
Write the following set n roster fom and write its cardinal number :
$E =\{x: x$ is an odd prime number, $x < 18\}$
Answer$E =\{3,5,7,11,13,17\}, n( E )=6$
View full question & answer→Question 171 Mark
Write the following set n roster fom and write its cardinal number :
$D =\{x: x \in N, x$ is a composite number, $10 < x < 18\}$
Answer$D =\{12,14,15,16\}, n( D )=4$
View full question & answer→Question 181 Mark
Write the following set n roster fom and write its cardinal number :
$C =\{x: x \in N, x$ is a perfect square, $x < 30\}$
Answer$C =\{1,4,9,16,25\}, n( C )=5$
View full question & answer→Question 191 Mark
Write the following set n roster fom and write its cardinal number :
$B =\{x: x \in N$ is a multiple of $4, x < 30\}$
Answer$B =\{4,8,12,16,20,24,28\}, n(B)=7$
View full question & answer→Question 201 Mark
Write the following set n roster fom and write its cardinal number :
$A =\{x: x \in W, x < 6\}$
Answer$A =\{0,1,2,3,4,5\}, n(A)=6$
View full question & answer→Question 211 Mark
Describe the following set in roster form :
$H =\{x: x$ is an odd natural number, $50 < x < 60\}$
Answer$H =\{51,53,55,57,59\}$
View full question & answer→Question 221 Mark
Describe the following set in roster form :
$G =\{x: x$ is an even prime number$\}$
View full question & answer→Question 231 Mark
Describe the following set in roster form :
$F =\{x: x$ is a natural number, $x$ is neither prime nor composite$\}$
View full question & answer→Question 241 Mark
Describe the following set in roster form :
$E =\{x: x$ is a natural number, $x$ is a multiple of 7, $x < 60\}$
Answer$E =\{7,14,21,28,35,42,49,56\}$
View full question & answer→Question 251 Mark
Describe the following set in roster form :
$D =\{x: x$ is a 2-digit number, the sum of whose digits is 8$\}$
Answer$D =\{17,26,35,44,53,62,71,80\}$
View full question & answer→Question 261 Mark
Describe the following set in roster form :
$C =\{x: x$ is a prime factor of 330$\}$
View full question & answer→Question 271 Mark
Describe the following set in roster form :
$B =\{x: x$ is a factor of 18$\}$
Answer$B =\{1,2,3,6,9,18\}$
View full question & answer→Question 281 Mark
Describe the following set in roster form :
$A =\{x: x$ is a natural number, $5 < x < 14\}$
Answer$A =\{6,7,8,9,10,11,12,13\}$
View full question & answer→Question 291 Mark
Given collections are set or not? If it is not set, give reason.
All 3-digit natural numbers
AnswerGiven collestions are set.
View full question & answer→Question 301 Mark
Given collections are set or not? If it is not set, give reason.
All difficult problems in your book on Mathematics
AnswerThe term 'difficult' is not well defined. So, it is not a set.
View full question & answer→Question 311 Mark
Given collections are set or not? If it is not set, give reason.
All planets in our solar system
AnswerGiven collestions are set.
View full question & answer→Question 321 Mark
Given collections are set or not? If it is not set, give reason.
All fat boys of your locality
AnswerThe term 'fat' is not well-defined. So, it is not a set.
View full question & answer→Question 331 Mark
Given collections are set or not? If it is not set, give reason.
All books in your school library
AnswerGiven collestions are set.
View full question & answer→Question 341 Mark
Given collections are set or not? If it is not set, give reason.
All healthy people of your town
AnswerThe term 'healthy' is not well-defined. So, it is not a set.
View full question & answer→Question 351 Mark
Given collections are set or not? If it is not set, give reason.
All leaders of India
AnswerThe term 'leader' is not well-defined. So, it is not a set.
View full question & answer→Question 361 Mark
Given collections are set or not? If it is not set, give reason.
All male teachers of your school
AnswerGiven collestions are set.
View full question & answer→Question 371 Mark
Given collections are set or not? If it is not set, give reason.
All persons on earth
AnswerGiven collestions are set.
View full question & answer→