What is the sum of 456 and 789?

A. 1245
Posted in:  Numbers -  Arithmetic -  Mathematics

Which of the following numbers is a prime number?

B. 23
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If you divide 100 by 4, what is the result?

B. 25
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What is the difference between 1000 and 678?

A. 322
Posted in:  Numbers -  Arithmetic -  Mathematics

What is 15 minus 9?

C. 6
Posted in:  Numbers -  Arithmetic -  Mathematics