Question

Rajan is 10 years older than kiran.after 4 years Rajans age become double that of kiran. what are their ages now?
only correct answer
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Answer 1

Answer:

Let Rajan's age be x , then Kiran's age is x-10

according to the question after 4 years

Rajan's age will be 2(x-10)

and kiran's age will be (x-10)+4

we have,

x+4=2(x-10)

x+4=2x-20

x-2x= -20+4

x=16

Rajan's age=16 years

Kiran's age =16-10=10years

Answer 2

Let

Rajan's age be x , then Kiran's age is x-10

according to the question after 4 years

Rajan's age will be 2(x-10)

and kiran's age will be (x-10)+4

we have,

x+4=2(x-10)

x+4=2x-20

x-2x= -20+4

x=16

Rajan's age=16 years

Kiran's age =16-10= 10years