Which option correctly describes {2,3,5,7}?
Answer and explanation
Correct answer: x is a prime natural number less than 10
A prime natural number has exactly two positive divisors, 1 and itself. The primes less than 10 are 2, 3, 5, and 7, exactly the members shown, so option A is correct. The odd numbers below 10 also include 1 and 9; the even numbers are 2, 4, 6, and 8; and the composite numbers include 4, 6, 8, and 9.
Frequently asked questions
What is the correct answer to this question?
x is a prime natural number less than 10
Why is this the correct answer?
A prime natural number has exactly two positive divisors, 1 and itself. The primes less than 10 are 2, 3, 5, and 7, exactly the members shown, so option A is correct. The odd numbers below 10 also include 1 and 9; the even numbers are 2, 4, 6, and 8; and the composite numbers include 4, 6, 8, and 9.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
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