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katheikhbonzo
katheikhbonzo katheikhbonzo
  • 25-06-2016
  • Mathematics
Answered

Which of the following is a composite number?

A31
B49
C73
D109

Which pair of numbers is relatively prime?

A20 and 76
B25 and 65
C46 and 87
D63 and 117

Verified Answer :

Hagrid
Hagrid Hagrid
  • 03-07-2016

A composite number is number with factors that are made up of not just 1 and itself.

For the first question, the composite number is
b. 49

Relatively prime numbers are numbers which do not have common factors other than 1.

For the second question, the relatively prime numbers are
c. 46 and 87

Answer Link

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