exam Maths Puzzle Numerical Ability

a banana has 85 calories.This is 10 calories less than one eighth of the calories in a banana split.How many calories are in a banana split?

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exam Other Question

Find the equation of the parabola described: Focus at (0,2); vertex at (0,0). Graph the parabola and the directrix. My question is: Suppose that you have a supply of a 30%solution of alcohol
and 70% of solution of alcohol. how many quartz of each should be mixed to poduce 20 quartz that is 40%alcohol?