exam Maths Puzzle Numerical Ability

Subtract the complex numbers: (3 + 5i) - (1-7i).

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exam Other Question

the difference between two numbers is 24. If the larger is divided by the smaller, the qutient is 4 and the remainder is 3. Find the numbers. Question

As many 8-cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170 cm by 90 cm. Find the area of the sheet that is left.

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