Latest TCS Aptitude Question SOLUTION: Mother,her daughter and her grand child weighs 120 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?

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Mother,her daughter and her grand child weighs 120 kg. daughter and her daughter(child) weighs 60 kg. child is 1/5th of her grand mother. What is the age of the daughter?

Asked In TCS HARSHIT SHUKLA (9 years ago)

Solved KAZI AMINUDDIN ZAMAN Read Solution (7)

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KAZI AMINUDDIN ZAMAN  (9 years ago) Best Solution

mother + daughter + child = 120kg
daughter + child = 60kg
mother = 120 - 60 = 60kg
child = 1/5th of mother = (1/5)*60 = 12kg
So now daughter = 120 -(mother + child) = 120 - (60+12) = 48kg

Is this solution Helpfull? Yes (22) | No (2)  

YOGESWARI.M  (9 years ago)

How will you find the age of the daughter from their weights..? They asked to find out the age of the daughter not the weight.. I think, it may be a dummy question or data insufficient one..

Is this solution Helpfull? Yes (20) | No (3)  

venkata ramana  (9 years ago)

m+da+g.da=120
da+g.da=60
by solving m=60
g.da age=60/5=12
d=60-12=48

Is this solution Helpfull? Yes (2) | No (1)  

parika gupta  (9 years ago)

how can age be determine by knowing weight?

Is this solution Helpfull? Yes (2) | No   

Visweswaraiah  (9 years ago)

Let weights of
Mother=X
Daughter=Y
Grand Child=Z
Given X+Y+Z=120 [first statement]
Y+Z= 60 [second statement] so here we get X=60 ---(i)
Z=(1/5)x(X)
=12 ---- (ii)
therfore 60+Y+12=120
Y=120-72
Y=48 (where Y is the weight of Daughter)

Is this solution Helpfull? Yes (1) | No (2)  

lakshmi tripura  (9 years ago)

M+D+G=120
D+G=60
M+60=120
M=60
given that G=M/5
SO G=60/5=12
D=60-12=48KGS

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Yarra Aparna  (9 years ago)

It is not the age of the daughter. It is the weight of the daughter.
So
m+d+g=120 kg
d+g = 60 kg
So m = 60 kg
g = (1/5)*60 = 12 kg
Then 60+12+d = 120
d = 48 kg

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