book Maths Puzzle Numerical Ability

a local park is 30 meters long by 20 meters wide .plans are being made to double the area by adding a strip at one end and another of the same width on one side. find the width of the strips.

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book Other Question
find three consecutive integers if the sum is 114 Dear Sir/Madam,
I am confronted with the following problem:
"Which of the following are true of the function {{{ f(x) = -7sin(x/2 - pi/3) }}}?

I. The maximum value of the fu