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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
5.23 Number Theory Review Test

Q 1: L.C.M. of 12 and 8 is _____.

Q 2: 49 is ____ number.
Odd number
Even number

Q 3: If G.C.D. of a and b is x, then G.C.D. of ma and mb is ____ given a, b and m are natural numbers.

Q 4: 1000-452 is ____ number.
Odd number
Even number

Q 5: The sum of the first 10 odd numbers is ____.

Q 6: 2k+1(k belongs to w) = ____ number.
Even number
Odd number

Q 7: L.C.M. of 16, 24 and 30 is ______.

Q 8: If two numbers do not have any common factors other than 1 they are called relatively prime or co-primes. (True/False)

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Question 10: This question is available to subscribers only!

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