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 coprimes 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

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