FactorsMultipleGCF and LCM

26. Find the largest number of apples not exceeding 1000 which can be divided among 6, 15, 20 or 24 boys?

• ক. 990
• খ. 960
• গ. 930
• ঘ. 900

27. What is the smallest number of apples that can be distributed equally among 4, 6, 9 or 15 students having a surplus of two apples each time?

• ক. 182
• খ. 62
• গ. 422
• ঘ. 362

28. What is the largest number of apples not exceeding 440 that can be distributed among three persons in the proportions of 5 : 6 : 7?

• ক. 432
• খ. 420
• গ. 440
• ঘ. 430

29. The greatest common factor of two positive integers is A. The least common multiple of the two numbers is B. If one of the number is C, then what is the other one?

• ক. AB/C
• খ. BC/A
• গ. A/C + B
• ঘ. A + B/C

30. 3 & 5 are factors of F. We can conclude that--

• ক. 3 x 5 = F
• খ. 8 is a factor of F
• গ. F is multiple of 15
• ঘ. 3 & 5 are the only factors of F

31. Which of the following must be an integer if x is a positive integer and 4/x + 5/x + 6/x is also an integer?

• ক. x/30
• খ. 30/x
• গ. x/5
• ঘ. 5/x

32. What is the product of (6a2b3c4) and (3a3b4c)?

• ক. 9a5b7c4
• খ. 9a5b7c5
• গ. 18a5b7c5
• ঘ. 18a5b7c4