Ronith is now 20 yrs old and Isha is 4yrs old. In how many yrs will Ronith be twice as old as Isha?????

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Solution

Given

Present age of Ronith = 20 years.

Present age of Isha = 4,

After X years,

Ages 1) Ronith =20+x. 2) Isha = 4+x.

20+x =2(4+x)

20+x =8+2x

12=x.

After 12 years, Ronith be twice as Isha

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