Question

3 mark Q.1 (d) 1 (d) 1 (d) None (d) None (d) Non The smallest prime number is PART-A (SECTION-I) (a) 2 Q.2 (b) 3 The smallest composite number is (c) 4 (a) 2 (b) 3 Q.3 The greatest four digit number is (c) 4 (a) 1000 (b) 9999 Q.4 Number of lines that can be drawn from a given point (c) 1111 (a) one (b) two Q.5 (c) infinite A part of line is called (a) line segment (b) chord (c) radius Q.6 The smallest odd number is. (b) 2 (c) 3 Q.7 The least prime number between 1 and 10 is. (a) 2 (b) 3 (c) 4 The LCM of 8 and 16- (a) 4 (b) 8 (c) 16 Q.9 Number of sides in a quadrilateral- (a) 3 (b) 4 (c) 5 Q.10 128 is divisible by- (b) 3 (c) 4 2.11 How many angles are there in a triangle? (a) 1 (d) 0 (d) 7 Q.8 (d) 3 3 (d) (a) 2 (dद स्मालेस्ट प्राइम नंबर 1 द स्मालेस्ट कंपोजिट नंबर द कम अपोजिट नंबर 1 नंबर ऑफ लाइंस दैट कैन ड्रॉन फ्रॉम ए गिवन प्वाइंट ​

Answer 1

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Step-by-step explanation:

Here, we are asked to find the smallest composite number. But first, we need to understand the meaning of composite numbers and its difference from prime numbers. So, let us know about them – by – one.

1. Prime numbers: - A prime number is a natural number, i.e. counting numbers, that has only two factors. That means a prime number is a number that is divisible by only two numbers. These two numbers will be 1 and the number itself. For example: - let us consider the natural number 7. 7 is only divisible by 1 and 7 itself that means it has only two factors 1 and 7. So, 7 is a prime number. Some other prime numbers are: - 2, 3, 5, 11, 13, … etc.

2. Composite numbers: - A composite number is a natural number, i.e. counting numbers that have more than two factors. That means a composite number is a number that is divisible by more than two numbers. In other words, we can say that a natural number which is not a prime is a composite number. For example: - let us consider the natural number 10. 10 is divisible by 1, 2, 5, and 10 itself which means it has more than two factors. So, 10 is a composite number. Some other composite numbers are - 4, 6, 8, 9, 10, 12,….. etc.

On reading the above paragraphs about prime and composite numbers we can clearly see that 4 is the first and smallest composite number.

Hence, option (b) is the correct answer.