exam Maths Puzzle Numerical Ability

A cylinder with a height of 1.5 inches has a total surface area of 4π square inches. What is its approximate radius?

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exam Other Question

u^3v/w divided by uv^3/w^2 If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?
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