Question 132

Of the three numbers whose average is 60, the first is one fourth of the sum of the others, The first number is

Solution

The average of the three numbers is 60

The first number is one fourths of the sum of the others.

or 4p = q + r

$$ \frac {p + q + r}{3}$$ = 60

So, 5p/3 = 60

p = 180/5 = 36


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