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… — Answer & Discussion

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 ?

A18 : 13 : 24
B13 : 18 : 23
C17 : 3 : 23
D18 : 11 : 23

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CCommunity08 Apr 2019

Solution
Let the no. of employees in companies A, B and C in respectively be $3x , 2x$ and $4x$
After respective increase in the number of employees :
A = $\frac{120}{100} \times 3x = 3.6x$
B = $\frac{130}{100} \times 2x = 2.6x$
C = $\frac{115}{100} \times 4x = 4.6x$
=> Required ratio = 3.6 : 2.6 : 4.6
= 18 : 13 : 23

CCommunity28 Apr 2019

= 18 : 13 : 23