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Maths Puzzle
Numerical Ability
a collection of 893 nickels, dimes and quarters is worth $162.55. There are 197 more dimes that nickels. How many of each type of coin are there ?
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book Other Question
Solve each equation.
a + 4 = a + 4
_____ ________
2 a
Find the first five terms of the sequence for which a(1)=5 and a(n+1)= 3a(n)+1.
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