exam Maths Puzzle Numerical Ability

can i have any problem about problems like the headwind and tailwind?? thanks.. i need it now.... and the solution also!!!!! tnx!!

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exam Other Question

The length of a rectangle is 1 cm longer than the width. If the diagonal of the rectangle is 4cm, what are the dimensions (the length and the width) of the rectangle.

Please show work. Multiply

8pq^2(2pq-3p+5q)

Thank you, These problems have me so confused.