exam Maths Puzzle Numerical Ability

Solve for x

a/b(2x-12)=c/d

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exam Other Question

There were only two candidates who participated in an election. One contestant got 62% votes and was elected by a margin of 144 votes. The total number of votes were: How many pounds of 70% Columbian coffee must be added to ten pounds of 90% Columbian coffee to have p% Columbian coffee?