Question

If four apples are five mangoes, and seven mangoes are four oranges then,

• A. $1$ apple = $1$ orange
• B. $1$ apples = $35/16$ oranges
• C. $1$ apple = $5/7$ oranges
• D. $1$ apples = $16/35$ oranges

Answer 1

The correct option is C $1$ apple = $5/7$ oranges

$1$ Apple $=\frac{5}{4}$ Mangoes

$1$ Mango $=\frac{4}{7}$ Oranges $\to$

$1$ Apple $=\frac{5}{4}\times$ ($1$ mango in terms of oranges)

$=\frac{5}{4}\times \frac{4}{7}$

$=\frac{5}{7}$ Oranges