Latest TCS Aptitude Question SOLUTION: 13. The sum of weights of a mother, a daughter and a just born baby is 75, the weight of the mother is twice that of the other two put together, the weight of daughter is 4 times t

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13. The sum of weights of a mother, a daughter and a just born baby is 75, the weight of the mother is twice that of the other two put together, the weight of daughter is 4 times that of the baby. What is the weight of the daughter?
a. 15
b. 20
c. 24
d. 30

Asked In TCS rajendra prasad (9 years ago)

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Read Solution (4) :

Shweta Singh  (9 years ago)

Let the wght of jus born=x
daughter=4x
weght of mom=2(4x+x)=10x
10x+4x+x=75
15x=75
x=5
then the weight of d duaghter if 4x=4*5=20
Ans=20 or b

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Surit Datta  (9 years ago)

Let us assume the ages of mother , daughter and just born are
M , D , B respectively.
so according to the question
M + D + B = 75
M = 2*(D + B)
D = 4*B
so,
M = 2*(4*B + B) = 10*B
so,
10*B + 4*B + B = 75
so B = 5
so D = 5*4 = 20
so the daughter is 10 years old.
so option b.

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

Purnendu Chakraborty  (9 years ago)

M=2*(d+b)
so 3x=75
x=25
so M=50 b+d=25 and d=4b so sx=25 so x=5
sb b=5,d=20
b.20---ans

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SOURAV SAHA  (9 years ago)

20 is the ans

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