book Maths Puzzle Numerical Ability

Expand and simplify (2-(1/n))^6

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book Other Question

If 4 workers can paint 5 trucks 1 hour, how many will be needed to paint 200 trucks in 8 hours?

Thank You. Hi I have to create a real-life situation that follows a linear equation, with the independent variable being years. What would the slope tell you about future years? I have tried