Percentage Practice Test 6 with solutions

Question : 22 of 40

Marks: +1, -0

The present population of a village is 5500. If the number of males increases by 11% and the number of females increases by 20%, then population will become 6330. What is the present population of females in the village?

3500
3000
2500
2000

Validate

Solution:

Let the present population of females and males be x and (5500 – x) respectively; then

x×120/100+(5500-x)×111/100=6330

⇒120x+610500-111x=633000

⇒9x=22500

∴x=22500/9=2500

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