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Common multiples, common factors, H.C.F & L.C.M.
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The H.C.F. of 28 and 48 is ________.
4
Which of the following numbers is NOT a multiple of 18? "9", "36", "90", "108"
9
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
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 4th common multiple of a set of numbers is 96, what is the L.C.M. of this set of numbers?
24
The L.C.M. of 3 and 9 is _________.
9
180 is the 3rd common multiple of 10 and 12, while 360 is the ______th common multiple of 10 and 12.
6th
The H.C.F. of two numbers is 8. All of their common factors are ______________.
1, 2, 4 , 8
1,3, 9 are all the common factors of 27 and (33/ 45/ 60).
45
The common factors of 18 and 42 is ______________.
1, 2, 3, 6
The H.C.F. of 17 and 23 is ________.
1
5 and 55 have ______ common factors altogether.
2
132 is a common multiple of 12 and A, which of the following numbers could A be? "8", "15", "26", "44"
44
The 5th common multiple of 8 and 12 is __________.
120
The least common multiple of 4 and 24 is _______.
24
The first 3 common multiples of 15 and 18 is___________.
90, 180, 270
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