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DINESH P

· started a discussion

· 1 Months ago

wrong options wrong so;ution (Question: 274659.0 )

males 2700 females 2800

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)

  

ABHIJITH P M

· commented

· 1 Months ago

11 % of 3000 is 330

Vikas Rathee

· commented

· 1 Months ago

Mr knowledge expert u fool
check your given answer
male -3000 after increment of 11%= 3300
female-2500 after increment of 20%=3000
total they became 6300 and in question it is given 6330
what type of knowledge expert you are !! 7grade student is even better than you .
And by chance if i am wrong which i am not then please let us know
pata ni kisko baitha dete h knowledge expert ke nam pe

Knowledge Expert

· commented

· 1 Months ago

Dear student,

Given answer is correct. explanation by other method.
Let number of females=x
number of males= 5500-x
according to question
(5500-x)*111/100+ x*120/100= 6330
111(5500−x)+120x=633000
610500−111x+120x=633000
9x=22500
x= 2500

Keep learning keep solving
Best wishes
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