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This problem trains for: Math Kangaroo 3-4, Math Kangaroo 5-6, Math Kangaroo 7-8, SAT-I, AMC-8.

Which number is greater:

The smallest number that is a multiple of 11 greater than 800 is:

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The greatest 3-digit number with only even digits is 864.

The largest 3-digit multiple of 121 is:

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The largest prime factor of 1111 is 101:

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The additive inverse of -945 is 945 because:

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