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# The number of employees in companies A, B and C are in a ratio of 3 : 2 : 4 respectively. If the number of employees in the three companies is increased by 20%, 30% and 15% respectively, what will be the new ratio of employees working in companies A, B and C respectively ?

a

17 : 3 : 23

b

18 : 11 : 23

c

18 : 13 : 24

d

13 : 18 : 23

e

None of these

Explanation :

Let the number of employees in the companies A, B and

C be 3x, 2x and 4x respectively.

After respective increase in the number of employees, the required ratio

$=frac{3 x imes 120}{100}: frac{2 x imes 130}{100}: frac{4 x imes 115}{100}$

$=3 imes 120: 2 imes 130: 4 imes 115$

$=18: 13: 23$

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