solve this

Village A has a population of 70,000, which is decreasing at the rate of 1000 per year.

Village B has a population of 52000, which is increasing at the rate of 400 half yearly

.How many years will they take to reach same population

try its easy .............

leave your answer as a comment......

ANSWER

let,after x yrs their will b same...

after x yrs in A population decreases 1000x & in B population increases (2*400*x)=800x .

So,

70000-1000x = 52000 + 800x

x= 10

### MATHS PUZZLE

Posted by
SHRENIK
on Friday, July 24, 2009

Labels:
FUN,
FUN WITH NUMBERS,
MATHS,
PUZZLE

## 7 comments:

10 yrs

10 years

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