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Grade 8 - Mathematics
5.23 Number Theory Review Test
: 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.
: If p and q are two numbers and r is G.C.D. then L.C.M. = (p.q/r).(True/False)
: ______ is even prime number.
: 2,4,6,8,.... are divided by 2 then the remainder is _____.
: Two relatively prime numbers need not be prime numbers. (True/False)
: Dividend = Divisor * Quotient + Remainder. (True/False)
: If p is a perfect number the sum of all its factors is ____.
: L.C.M. of 16, 24 and 30 is ______.
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