Number concept general quiz 1By Gavin Thomas / November 26, 2023 Welcome to your Number concept general quiz 1 Your Name Your teachers email Your School 1. Two million, two hundred thousand, two can be written as(A) 220 002(B) 2 202 000 (C) 2 200 200 (D) 2 200 002 A B C D None 2. Which is a composite number?(A) 1(B) 2(C) 7(D) 9 A B C D None Hint 3. Which is a prime factor of 12?(A) 7(B) 6(C) 4(D) 3If you forgot watch the video: A B C D None 4. What is the prime factorization of 20?(A) 2×2×5(B) 1×2×10(C) 4×5(D) 2×10Watch if you forget : A B C D None 5. Which of the following shows the prime factorization of 18?(A) 2² × 3(B) 2 × 3²(C) 2³ × 3(D) 2 × 3³ A B C D None 6. Which set shows all the factors of 24?(A) {1, 2, 3, 4, 8, 12, 24}(B) {1, 2, 3, 6, 8, 12, 24}(C) {1, 2, 3, 4, 6, 8, 12, 24}(D) {2, 3, 4, 6, 8, 12, 24}If you forget: A B C D None 7. Which is NOT a factor of 16?(A) 2(B) 4(C) 6(D) 16 A B C D None 8. One factor that 12 and 21 have in common is(A) 2(B) 3(C) 4(D) 7 A B C D None 9. What is H.C.F of 14 and 28?(A) 2(B) 4(C) 7(D) 14If you forget: A B C D None 10. Two wires are 8m and 12m long. The wires are to be cut into pieces of equal length. What is the maximum length of each piece?(A) 2m(B) 4m(C) 6m(D) 24m A B C D None Hint 11. A multiple of 8 is(A) 2(B) 4(C) 8(D) 18Watch if you forget: A B C D None 12. What is the fifth multiple of 12?(A) 12(B) 36(C) 60(D) 72 A B C D None 13. Sunil has listed the first 4 multiples of 7 as: 7, 14, 21 and 27. Which one is incorrect?(A) 7(B) 14(C) 21(D) 27 A B C D None 14. What is the L.C.M of 6 and 12?(A) 6(B) 12(C) 24(D) 36 A B C D None 15. . James sets his watch to alarm every 4 hours. At the same time, Mary sets her watch to alarm every 6 hours. In how many hours will both watches alarm at the same time?(A) 2 hours(B) 4 hours(C) 12 hours(D) 24 hours A B C D None Time's up
