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

Q 2: A number which is not a prime is a ____.
Composite number
Prime number

Q 3: The sum of any two odd numbers is _____.
Odd number
Even number

Q 4: G.C.D. means greatest common divisor. (True/False)
True
False

Q 5: A positive number is said to be a ___ if p>1 and p havs no divisors expect 1 and p.
Perfect number
Prime number

Q 6: Two numbers are relatively prime if their G.C.D. is 1. (True/False)
False
True

Q 7: If a and b are co-primes their G.C.D. = ____.
2
1

Q 8: If p and q are two numbers and r is G.C.D. then L.C.M. = (p.q/r).(True/False)
True
False

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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