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Maths Puzzle
Numerical Ability
when you have an equation like 1/4x+5=28, and you have to find x, how do you get rid of the fraction?
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book Other Question
If $10,000 and $4000 are invested such that $1250 is earned in one year, and if the rate of interest on the larger investment is 2% more than that of the smaller investment, find the rates of interest.
How to solve:
(3x-2)(x+5)