exam Maths Puzzle Numerical Ability

This question is not from a book
The perimeter of a rectangle is 28X + 10. If the width is 2X, what is the length

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exam Other Question

A state lottery is designed so that a player chooses six numbers from 1-30 on one lottery ticket. What is the probability that a player with 1 lottery ticket will win? What is the probability of winning if 100 different tickets are purchased? 8y^3 + y^4 + 16 + 32y + 24y^2
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y+ 2