book Maths Puzzle Numerical Ability

Find the amount of alcohol in liters in 300 liters of 22 percent alcohol solution. Attach the unit L for liter after your answer.

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book Other Question

Two sums of money were invested at 13% and 15% respectively. The amount invested at 15% was twice the amount invested at 13%. The total annual income from the two investments was how many times do you have to multiply 4/5 to make it equal 2?