exam Maths Puzzle Numerical Ability

What two consecutive integers have cubes that differ by 217?

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exam Other Question

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?