The ratio of roses and lillies in a garden is 3 : 2 respectively. The average number of roses and lillies is 180. What is the number of lillies in the garden?

Answer : Option D

Explanation :

Let the number of roses and lillies in the garden be 3x and 2x respectively.

According to the question,

$frac{3 x+2 x}{2}=180 Rightarrow frac{5 x}{2}=180$

$Rightarrow x=frac{180 imes 2}{5}=72$

∴ Number of lillies

= 2x = 2 × 72 = 144

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### The ratio of roses and lillies in a garden is 3 : 2 respectively. The average number of roses and li