MATHS PUZZLE

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

7 comments:

Dhanraj said...

10 yrs

Rahul Gera said...
This comment has been removed by the author.
Rahul Gera said...

10 years

Rishischool Rishi said...

vvv

Isha Sharma said...

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Click Katihar said...

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