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What is the difference between 1000 and 456?

A. 554
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If x = 3 and y = 4, what is the value of x^2 + y^2?

A. 25
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What is the least common multiple (LCM) of 12 and 15?

B. 60
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What is the sum of the first 10 prime numbers?

C. 129
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What is the sum of 456 and 789?

A. 1245
Posted in:  Numbers -  Arithmetic -  Mathematics