Question

three numbers are in the ratio 4 : 5 : 6 and their average is 25. The largest number is​

Answer 1

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Answer 2

Ratio of three numbers = 4 : 5 : 6

Consider the three numbers as 4x, 5x, 6x

Average of three numbers = 25

Sum of observations/Number of observations = 25

$\frac{4x + 5x + 6x}{3} = 25$

$\frac{15x}{3} = 25$

$15x = 25 \times 3$

$15x = 75$

$x = \frac{75}{15}$

$x = 5$

Largest number = 6x = 6(5) = 30

Therefore the largest number is 30.