Home › TS Intermediate 1st Year › Mathematics › Sets › Why is the set of even primes above two empty?
Why is the set of even primes above two empty?
ATwo is the odd one
BTwo is the last one
CTwo is the next one
DTwo is the only one
Answer & Solution
Correct answer: D. Two is the only one
1. Every even number above two has two as a factor.
2. So none of them is prime.
3. C is the empty set, because 2 is the only even prime number.
4. So the answer is two is the only one.
_Source: NCERT Class XI Mathematics, Ch 1 'Sets'_
Related questions
U = {1, 2, ..., 10} and A = {1, 3, 5, 7, 9}. The complement of A is:A = {2, 4, 6, 8} and B = {6, 8, 10, 12}. In A union B the elements 6 and 8 appear:In a Venn diagram the universal set is usually drawn as a:The collection of all subsets of A is called the:How many subsets does {1, 2} have?The open interval (a, b) leaves out:A set with exactly one element is called a:The empty set is a subset of: