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NCERT Solutions for Class 5 EVS - Playing With Numbers (Ex- 3.5)

FAQs on NCERT Solutions for Class 5 EVS - Playing With Numbers (Ex- 3.5)

1. What are the different types of numbers discussed in the chapter "Playing With Numbers"?
Ans. The chapter "Playing With Numbers" discusses different types of numbers such as prime numbers, composite numbers, even numbers, odd numbers, etc.
2. How can I determine if a number is prime or composite?
Ans. To determine if a number is prime or composite, you need to check if it is divisible by any other number except 1 and itself. If it is divisible by any other number, then it is a composite number; otherwise, it is a prime number.
3. Can you explain the concept of even and odd numbers?
Ans. Even numbers are those numbers that are divisible by 2, i.e., they leave no remainder when divided by 2. On the other hand, odd numbers are not divisible by 2 and leave a remainder of 1 when divided by 2.
4. How can I find the factors of a given number?
Ans. To find the factors of a given number, you need to divide the number by different numbers starting from 1 and going up to the number itself. The numbers which divide the given number without leaving any remainder are the factors of that number.
5. What is the significance of playing with numbers in real-life applications?
Ans. Playing with numbers helps us develop logical thinking and problem-solving skills. It is useful in various real-life applications such as cryptography, computer algorithms, number theory, and many mathematical calculations.
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