Number concept general quiz 1 by Gavin Thomas November 28, 2023, 11:26 pm 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 3. Which is a prime factor of 12?(A) 7(B) 6(C) 4(D) 3 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) 2×10 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} 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) 14 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 11. A multiple of 8 is(A) 2(B) 4(C) 8(D) 18 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 upSee morePrevious article Writing numbers up to 100,000 in words: convert words to digitsNext article Standard form/scientific Notation Written by Gavin ThomasLeave a ReplyYour email address will not be published. Required fields are marked *Comment *Name Email Website