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Answers
* Which of the following pair of numbers are co-prime numbers:
40. 52 and 81
41. 294 and 256
42. 88 and 187
43. 675 and 392
44. How many even numbers are there from 1 to 100 ____________.
45. Find out the prime numbers from the following ( or ).
a) 141 b) 181 c) 86 d) 83 e) 81 f) 67 g) 98
h) 61 i) 43 j) 97 k) 91 l) 30 m) 163 n) 187
o) 184 p) 131 q) 169 r) 119 s) 134 t) 17733. The sum of two even numbers is always ___________.
34. The sum of two odd numbers is always ___________.
35. The sum of an even and odd number is always ___________.
36. The product of even and odd number is always ___________.
37. ___________ is the smallest and the only even prime number.
38. ___________ is neither prime nor composite.
39. The only prime triplet is ___________.. Write all the prime numbers below 100.