Answer / harikrishnan

Hii. Try this. It's simple. No x y stuff.

Sum of current ages : 93

Sum of ages 10yrs ago : 93-(3*10)
: 63

So age of ravi 10yrs ago: (63/(2+3+4))*4 // 4 is part of Ravi
: (63/9)*4
: 7*4 = 28

Therefore current age : 28+10
: 38 yrs

Answer / saurabh

let us assume there age at present as "x"

therefore the equation would be :=

(2x-10)+(3x-10)+(4x-10)=93

solving it

9x-30=93

or

9x=93-30

or

9x=63

i.e
x=63/9

x=7

there present age is.......
sai=2(7)+10 == 24
kiran=3(7)+10 ==31
ravi=4(7)+10 ==38

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