exam Maths Puzzle Numerical Ability

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(-2+3i)*(4-8i)=


(1-6i)*(-2+2i)=

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exam Other Question

Mr. Graham invested some of his $18,000 in bonds and made a 5% profit and the rest in bonds that made a 12% profit. If the profit on the 12% bonds was $885 more than the profit on the 5% bonds, how much did Mr. Graham invest in the 5% bonds? Marika and freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as freddy. how many did each hmes sells?