Postal or Sorting Assistants Model Paper 3 With Solutions

Question : 9 of 100

Marks: +1, -0

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 ?

Validate

Solution:

(a) Let the number of roses and lillies are 3x and 2x respectively
ATQ.

{3x +2x}/2=180

⇒

x ={180×2}/5=72

∴ Number of lillies =

2x = 2×72=144

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