exam Maths Puzzle Numerical Ability

Martina went shopping. She spent one-fifth of what she had in her wallet and then one-fifth of what remained. In all she spent $36. How much did she start with?

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The entrace cover charge for a theme park is $ 1.25 for children and $2.75 for adults. On a particular day the park received 2256 quest paying a total of $ 4089 in cover charge. How kids and adults visited the park? solve

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d(d-3)=40

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