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Munagala Janardhana Reddy

· started a discussion

· 1 Months ago

alternate solution (Question: 274659.0 )

also possible using Alligations and mixtures
over all change in population is k% = ((6330 - 5500)/5500) % = (166/11) %
Ratio of male and female = (k - 20) : (11 - k) = 5 : 6
then Male population =(5/11) * 5500 =2500
Female population =(6/11)* 5500 =3000

Question:

The population of a village is 5500. If the number of males increases by 11% and the number of females increases by 20%, then the population becomes 6330. Find the population of females in the village.

Options:
A)

2500

B)

3000

C)

3500

D)

2000

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

Yes this one another method to solve this question.... Good Keep it up..

Keep learning Keep solving
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