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Maths Puzzle
Numerical Ability
how do you solve these type of problems?
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exam Other Question
If a and b are positive integers and (a^1/2 b^1/3)^6 = 432, what is the value of ab?
A man is 30 years old and his son is 13 years old. In how many years will the son be 3/4s as old as his father?