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?1). 3602). 10803). 1204). 40

Answer»

Solution

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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