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. mx max

Q 2: The sum of any two odd numbers is _____. Even number Odd number

Q 3: 29 and 39 examples for twin primes.(True/False) False True

Q 4: Every composite number has ___ factors. 2 At least 3

Q 5: 2,4,6,8,.... are divided by 2 then the remainder is _____. 0 1

Q 6: If p and q are two numbers and r is G.C.D. then L.C.M. = (p.q/r).(True/False) False True

Q 7: The sum of two odd numbers is an ___ number. Even number Odd number

Q 8: Two numbers are relatively prime if their G.C.D. is 1. (True/False) False True

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