Q 1: If p is a perfect number the sum of all its factors is ____. p/2 2p

Q 2: 4^{9} is ____ number. Even number Odd number

Q 3: ____ is neither prime nor a composite number. 1 2

Q 4: The set of natural numbers can be divided in to three ___ Sets. Mixed Disjoint

Q 5: G.C.D. of 20, 36 and 44 is _____. 6 4

Q 6: 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 7: Two relatively prime numbers need not be prime numbers. (True/False) True False

Q 8: L.C.M. of 16, 24 and 30 is ______. 240 140

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Question 10: This question is available to subscribers only!

