exam Maths Puzzle Numerical Ability

A box contains 140 dimes and nickles. The total value is $11.5.How many dimes and nickels are there?

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Adult tickets for a play cost $14 and child tickets cost $3. If there were 26 people at a performance and the theater collected $199 from tickets, how many adults and how many children attended the play?
If the risk free rate is 7 percent, the expected return on the market is 10 percent, and the expected return on Security M is 13 percent, what is the beta of Security M?


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