STUDY EDUCATION - MP Board Solutions

NCERT Class 7 Maths Chapter 6 Number Play Worksheet with Answers Class 7 Maths Chapter 6 Worksheet Fill in the Blanks 1. A number having exactly two factors is called a __________ number. Answer: Prime 2. The only even prime number is __________. Answer: 2 3. The HCF of 18 and 24 is __________. Answer: 6 4. The LCM of 12 and 18 is __________. Answer: 36 5. The prime factorization of 24 is __________. Answer: 2 × 2 × 2 × 3 Write True or False 6. 37 is a prime number. Answer: True 7. 45 is a prime number. Answer: False 8. The HCF of two co-prime numbers is 1. Answer: True 9. Every even number is a prime number. Answer: False 10. Prime factorization helps in finding the HCF and LCM. Answer: True Short Answer Questions 11. Write the first five prime numbers. Answer: 2, 3, 5, 7, 11 12. Find the HCF of 20 and 30. Answer: 10 13. Find the LCM of 8 and 12. Answer: 24 14. Is 252 divisible by 9? Give a reason. Answer: Yes. The sum of its digits is 2 + 5 + 2 = 9, which ...

NCERT Class 7 Maths Chapter 6 Number Play MCQ Questions with Answers Class 7 Maths Chapter 6 MCQs 1. A prime number has: A. One factor B. Two factors C. Three factors D. Four factors Answer: B 2. Which of the following is a prime number? A. 21 B. 27 C. 37 D. 49 Answer: C 3. Which is the only even prime number? A. 1 B. 2 C. 4 D. 6 Answer: B 4. The prime factorization of 24 is: A. 2 × 2 × 2 × 3 B. 2 × 12 C. 3 × 8 D. 4 × 6 Answer: A 5. The HCF of 18 and 24 is: A. 4 B. 6 C. 8 D. 12 Answer: B 6. The LCM of 12 and 18 is: A. 24 B. 30 C. 36 D. 48 Answer: C 7. A number divisible by both 2 and 5 always ends with: A. 2 B. 4 C. 5 D. 0 Answer: D 8. Is 252 divisible by 9? A. Yes B. No C. Cannot be determined D. Only by estimation Answer: A 9. Which of the following is a composite number? A. 13 B. 17 C. 25 D. 29 Answer: C 10. The HCF of two co-prime numbers is: A. 0 B. 1 C. 2 D. Their product Answer: B 11. The LCM of two co-prime numbers is: A. 1 B. Their sum C. Their product D. Their diffe...

NCERT Class 7 Maths Chapter 6 Number Play Extra Questions with Answers Class 7 Maths Chapter 6 Extra Questions with Answers Q1. What is a prime number? Answer: A prime number is a number that has exactly two factors: 1 and itself. Q2. Is 37 a prime number? Answer: Yes. Q3. Is 45 a prime number? Answer: No. Q4. Write the prime factors of 36. Answer: 2 × 2 × 3 × 3 Q5. What is the HCF of 18 and 24? Answer: 6 Q6. What is the LCM of 12 and 18? Answer: 36 Q7. Which number is divisible by both 2 and 5? Answer: A number ending in 0 . Q8. Is 252 divisible by 9? Answer: Yes, because 2 + 5 + 2 = 9. Q9. What is the smallest prime number? Answer: 2 Q10. Which is the only even prime number? Answer: 2 Q11. Is 1 a prime number? Answer: No. Q12. Write the first five prime numbers. Answer: 2, 3, 5, 7, 11 Q13. Find the HCF of 20 and 30. Answer: 10 Q14. Find the LCM of 8 and 12. Answer: 24 Q15. Why is prime factorization useful? Answer: It helps in finding the HCF, LCM, and solving many mat...

NCERT Class 6 Maths Chapter 3 Number Play MCQ Questions with Answers Class 6 Maths Chapter 3 MCQs 1. Which of the following is a prime number? A. 9 B. 15 C. 17 D. 21 Answer: C 2. Which of the following is a composite number? A. 2 B. 3 C. 5 D. 12 Answer: D 3. The smallest prime number is: A. 0 B. 1 C. 2 D. 3 Answer: C 4. Which number is divisible by 2? A. 17 B. 23 C. 28 D. 35 Answer: C 5. Which number is divisible by both 2 and 3? A. 18 B. 25 C. 35 D. 49 Answer: A 6. A number divisible by 5 always ends with: A. 1 or 3 B. 2 or 4 C. 0 or 5 D. 6 or 8 Answer: C 7. Which of the following is an even number? A. 27 B. 39 C. 44 D. 55 Answer: C 8. Which of the following is an odd number? A. 18 B. 26 C. 40 D. 31 Answer: D 9. Which number has exactly two factors? A. 1 B. 6 C. 11 D. 15 Answer: C 10. The factors of 12 are: A. 1, 2, 3, 4, 6, 12 B. 1, 2, 6 C. 2, 3, 6 D. 1, 3, 9 Answer: A 11. Which number is a multiple of 9? A. 28 B. 36 C. 41 D. 52 Answer: B 12. The smallest composite number ...

Number Play Class 7 Solutions Ganita Prakash Maths Chapter 6 Page 128 Q. Write down the number each child should say based on this rule for the arrangement shown below. Solution: Figure It Out 1. Arrange the stick figure cutouts given at the end of the book or draw a height arrangement such that the sequence reads: (a) 0, 1, 1, 2, 4, 1, 5 (b) 0, 0, 0, 0, 0, 0, 0 (c) 0, 1, 2, 3, 4, 5, 6 (d) 0, 1, 0, 1, 0, 1, 0 (e) 0, 1, 1, 1, 1, 1, 1 (f) 0, 0, 0, 3, 3, 3, 3 Solution: (a) 0, 1, 1, 2, 4, 1, 5 (b) 0, 0, 0, 0, 0, 0, 0 (c) 0, 1, 2, 3, 4, 5, 6 (d) 0, 1, 0, 1, 0, 1, 0 (e) 0, 1, 1, 1, 1, 1, 1 (f) 0, 0, 0, 3, 3, 3, 3 2. For each of the statements given below, think and identify if it is Always True, Only Sometimes True, or Never True. Share your reasoning. (a) If a person says ‘0’, then they are the tallest in the group. (b) If a person is the tallest, then their number is ‘0’. (c) The first person’s number is ‘0’. (d) If a person is not first or last in line (i.e., if they are standing somewhe...