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Standard IX
Mathematics
Applications (Word Problem)
Vikas is thre...
Question
Vikas is three years older then deepika. six years years ago, vikas's age was four times Deeika's age. Find the ages of Deepika and vikas.
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Solution
let the age of vikas be x
let the age of Deepika be y.
x=y+3.............................1
x-6=4(y-6)
x-6=4y-24
x-4y=-18..........................2
putting the value of x in 2.
y+3-4y=-18
-3y=-21
y=-21/-3
y=7
putting the value of y in 1
x=7+3
x=10
Hence the age of vikas is 10
and age of deepika is 7
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