Question

If the compound ratio of 7:5 and 8:x is 14:10. Find x?

Answer 1

The value of x is "8".

Explanation:

Given, the compound ratio of 7 : 5 and 8 : x = 14 : 10

To find the value x = ?

⇒ $\dfrac{7}{5} \times \dfrac{x}{5} =\dfrac{14}{10}$

⇒ $\dfrac{7x}{40}=\dfrac{14}{10}$

⇒ $x =\dfrac{14}{10}\times \dfrac{40}{7}$

⇒ $x = 2\times 4=8$

∴ x = 8

Hence, the value of x is 8.

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