Which of the following numbers is NOT a multiple of 18? "9", "36", "90", "108"
9
132 is a common multiple of 12 and A, which of the following numbers could A be? "8", "15", "26", "44"
44
The L.C.M. of 3 and 9 is _________.
9
Which of the following pairs of numbers has 12 as their H.C.F.? " 6 &12" , "10 &18" , "24 & 36", "24 & 48"
24 & 36
The first 3 common multiples of 15 and 18 is___________.
90, 180, 270
Sam passes the Math examination and the mark he got is a multiple of 19. If the passing mark is 60 marks, which of the following numbers may be his mark? "57", "76", "84", "91"
76
The H.C.F. of 28 and 48 is ________.
4
The common factors of 18 and 42 is ______________.
1, 2, 3, 6
The least common multiple of 4 and 24 is _______.
24
5 and 55 have ______ common factors altogether.
2
The H.C.F. of two numbers is 8. All of their common factors are ______________.
1, 2, 4 , 8
The H.C.F. of 17 and 23 is ________.
1
The 5th common multiple of 8 and 12 is __________.
120
1,3, 9 are all the common factors of 27 and (33/ 45/ 60).
45
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