book Maths Puzzle Numerical Ability

4(-2/3+4/3)

1000 divide (1+ 0.09/4)to the 8th power

3 to the 2nd power +1/0

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book Other Question

Simplify the Expression:
r+3-6r+r Can you please help with the following? A work crew of 3 people requires 3 weeks and 2 days to do a certain job. How long would it take a work crew of 4 people to do the same jo