Q 1: 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. max mx

Q 2: If p and q are two numbers and r is G.C.D. then L.C.M. = (p.q/r).(True/False) True False

Q 3: ______ is even prime number. 4 2

Q 4: 2,4,6,8,.... are divided by 2 then the remainder is _____. 1 0

Q 5: Two relatively prime numbers need not be prime numbers. (True/False) False True

Q 6: Dividend = Divisor * Quotient + Remainder. (True/False) True False

Q 7: If p is a perfect number the sum of all its factors is ____. 2p p/2

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

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Question 10: This question is available to subscribers only!

