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Answer: C

Let’s say the Present age of Rani $= x$ years

The present age of Raja $= y$ years

Rani will be twice Raja’s age in $3$ yeas when Raja will be $40.$ That means AFTER $3$ years,

$x+3 = 2(y+3)$

given$: y+3=40.$

So, $x+3= 80$

$x=77.$

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