Q 1: A pair of primes are said to twin primes is they differ by 2.(True/False) False True

Q 2: The sum of two odd numbers is an ___ number. Even number Odd number

Q 3: If two numbers do not have any common factors other than 1 they are called relatively prime or coprimes. (True/False) False True

Q 4: If A and B are two natural numbers and L and G are their L.C.M. and G.C.D. then relation between these four is A*B = L*G. (True/False) True False

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

Q 6: ______ is even prime number. 4 2

Q 7: The number of factors of 72 is _____. 10 12

Q 8: 1000452 is ____ number. Even number Odd number

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Question 10: This question is available to subscribers only!

