Question

 If x : y = 1 : 2 then \(\frac{{8x + 5y}}{{8x + 2y}}\) is 
1. 3 : 2
2. 2 : 3 
3. 1 : 3 
4. 1 : 4

Answer 1

Correct Answer - Option 1 : 3 : 2

Given:

x : y = 1 : 2

Concept used: 

Ratio and proportion

Calculation:

As per the given values of x and y in the question

put them in the Equation.

⇒ \(\frac{{8(1) + 5(2)}}{{8(1) + 2(2)}}\)

⇒ \(\frac{{8\ +\ 10}}{{8\ +\ 4}}\)

⇒ 18 : 12

∴ 3 : 2