Question

five year ago,Nuri was thrice as old as sonu .Ten years later,nuri will be twice as old as sonu. How old are Nuri and Sonu

Answer 1

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✔️Here is your answer ✔️
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Let the present age of Nuri is x and Sonu is y.
Then, According to question
x - 5 = 3(y - 5 )
x - 5 = 3y - 15
x - 3y = -10.........(equation 1 )

x + 10 = 2(y+10)
x + 10 = 2y+20
x - 2y = 10............(equation 2)

On subtracting both equation, we will get..
y = 20
On putting the value of y in equation 1 , we will get
x- 3(20) = -10
x-60 = -10
x= 50.

Hence
Nuri's age will be 50.
Sonu's age will be 20.

✌️Hope it helps you ✌️
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Answer 2

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Let us assume, the present age of Nuri is x.

And the present age of Sonu is y.

According to the given condition, we can write as;

x – 5 = 3(y – 5)

x – 3y = -10…………………………………..(1)

Now,

x + 10 = 2(y +10)

x – 2y = 10…………………………………….(2)

Subtract eq. 1 from 2, to get,

y = 20 ………………………………………….(3)

Substituting the value of y in eq.1, we get,

x – 3(20) = -10

x – 60 = -10

x = 50

Therefore,

,Age of Nuri is 50 years

,Age of Nuri is 50 yearsAge of Sonu is 20 years

Hope It's Helpful.....:)