exam Maths Puzzle Numerical Ability

If Miguel typed 410 words in 5 minutes and received a keyboard speed of 76 words per minute, how many errors did he make?

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exam Other Question

What is the square root of 1 to the 1/5 power? Which expression represents the sum of the opposite of a number and -12?

A) -n = -12

B) -n + -12

C) -n(-12)

D) -n - (-12)

Thank you for the help