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Maths Puzzle
Numerical Ability
log x/n=log(x^1/n)
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Brett started on a 70-mile ride at 20 mph. After time he became tired and slowed down to 12 mph. The entire trip was 4 1/2 hours. How far did Brett travel when he slowed down t 12 mph.
THE STONES plans to receive $270,000 next year from a certain investment, with increases of 9% per year. If N = 5 years and the interest rate is 3%, determine the present worth of