Latest TCS Aptitude Question SOLUTION: Two years ago ,a man's age was 3 times the sqr of his son's age.In 3 yrs ,his age will be 4 times his son's age.find the present age.

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Two years ago ,a man's age was 3 times the sqr of his son's age.In 3 yrs ,his age will be 4 times his son's age.find the present age.

Asked In TCS juhe rawat (9 years ago)

Unsolved Read Solution (7)

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Read Solution (7) :

RAKESH  (9 years ago)

man = x , son = y

(x-2)= 3(y-3)^2 ------ 1

(x+3)= 4(y+3) ----- 2

solving 1 & 2
y = 5, y= 1/3(neglect)
x = 29

Is this solution Helpfull? Yes (15) | No (3)  

savita kumari  (9 years ago)

let two year ago son age is x then father age is 3x^2
in 3 years (means 3 years after from present year) = 3+2 = 5 years
according to question
4(x+5)=3(x^2)+5
we get x=3
means 2 year ago son age is 3 then present age of father is 3x^2+2
3*9+2=29

Is this solution Helpfull? Yes (3) | No   

abhishek  (9 years ago)

yes its y-2 for 2 yrs back

Is this solution Helpfull? Yes (1) | No   

Atul Kumar  (9 years ago)

Two Years Ago,Let father's age be x and son's age be y.
then we have
x= 3(y^2)------i)
After 5 years (two years ago+ in three Years)
x+5= 4(y+5)----ii)
Putting ii) in i) and Solving We get, y= -5/3 (neglect) or y= , Thus x= 27
Thus Father's present age will be x+2 i.e. 27+2=29 and Son's age is (y+2)= 5.

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Miriyala. siva sankar  (9 years ago)

man=x , son=y

(x-2)=3(y-2)^2

(x+3)=4(y+3)

by solving above 2 equ
y=5, x=29

Is this solution Helpfull? Yes (1) | No (1)  

priya  (9 years ago)

hey its y-2 na? 2 yrs bak...pls respond fr ds

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AKANKSHA KUMARI  (9 years ago)

son age is 5yrs & man age is 29yrs

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