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Grade 8 - Mathematics
5.23 Number Theory Review Test

Q 1: If A and B are two natural numbers and L and G are their L.C.M. and G.C.D. then relation between these four is A*B = L*G. (True/False)

Q 2: A = {1,2,3,4,6,8,12,24} and B = {1,2,3,6,9,18} then we say {1,2,3,6} is the set of common factors. (True/False)

Q 3: Every composite number has ___ factors.
At least 3

Q 4: The sum of two odd numbers is an ___ number.
Even number
Odd number

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Question 6: This question is available to subscribers only!

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