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Maths Puzzle
Numerical Ability
Ali is 30 years younger than his father.if thier cobnied age is 80 years.how old is each person.
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book Other Question
A vending machine has $41.25 in it. There are 255 coins total and the machine only accepts nickels, dimes and quarters. There are twice as many dimes and nickels. How many of each coin are in the machine?
6+(-4)