1. The sum of 15% of a positive number and 20% of the same number is 126. What is the one-third of that number?
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By: anil on 05 May 2019 01.18 am
Let the given number be x Sum of 15% of x and 20% of x =$$frac{15x}{100}+frac{20x}{100}$$ = $$frac{35x}{100}$$ $$frac{35x}{100}$$ = 126 x = 100*126/35 = 360 1/3 rd of a number = 360/3 = 120
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