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Maths Puzzle
Numerical Ability
What two consecutive integers have cubes that differ by 217?
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Mom baked a cake for the entire family. Dad ate 1/6 of the cake. Brother ate1/5 of it. Sister ate 1/4 of what was left after that. Spot ate 1/3 of what was left. Baby sister ate 1/
What is the coeffictient of the x^5 part of the expansion of (a+bx+cx^2)^8?