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(#M40023845) TCS Numerical Ability question Keep an EYE

After 6 years Raju's fathers age will twice of the Raju's age 2 years ago. His mothers age was twice that of Raju age. Sum of the age of their parents.

Asked In TCS (10 years ago)

Unsolved Read Solution (10)

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Read Solution (10) :

sreebhuvan  (10 years ago)

ANS: Sum of the age of raju's parents is(10 less than (4times of his age))=(4*r)-10

Let Raju's father age=F
Raju's mother age=M
Raju's age=R
f+6=2*(r-2) =>f+6=(2*r)-4
m=2*r
add both equations
(f+6)+(m)=((2*r)-4)+(2*r)
f+m+6=(4*r)-4
f+m=(4*r)-10

Is this solution Helpfull? Yes (10) | No (6)  

rohit kumar  (10 years ago)

Let Raju's father age=F
Raju's mother age=M
Raju's age=R

F+6=2(R+6)
F= 2R+6
M-2=2(R-2)
M= 2R-2
Therefore the sum of Raju’s Parent’s age is
F+M=2R+6+2R-2
F+M=4R+4
I.e., 4 more than four rimes Raju’s age

Is this solution Helpfull? Yes (9) | No (26)  

ASHISH  (10 years ago)

sol is 4R-2 where R is age of Raju

Is this solution Helpfull? Yes (2) | No (4)  

Rohan Goyal  (10 years ago)

let father's current age =F
mother's current age= M
raju's current age= R
F+6=2(R+4)
F=2R+2
M=2R
therefore
F+M= 2R+2R+2
F+M=4R

Is this solution Helpfull? Yes (2) | No (4)  

Divya Srivastava  (10 years ago)

@ROHIT KUMAR : plz explain why F+6=2(R+6)?? its shud be F+6=2(R-2) ??

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

EMAN BANERJEE  (10 years ago)

let fathers age be y,raju's be x and mother's be z...
(y+6)=2(x+6)
2x-y=-6...(1)
z-2=2x-4
2x-z=2...(2)
therefore
z+y=8
ans=8.

Is this solution Helpfull? Yes | No (10)  

Rajat Arora  (10 years ago)

(4*r)-12, where r is the age of the raju

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juhe rawat  (10 years ago)

ans: 4r
let age of raju is r
let age of fater be f
let age of mother be m

father's age after six years
(f+6)=2(r-2)

mother's age before two years(take it as two as its not specified)
m-2=2(r-2)

so 2(r-2)+2(r-2)=4r

























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Dheeraz  (10 years ago)

F+6=2(R-2)-eq1
M=2R

M+F=2R+2+2R

M+F=4R+2

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Dawood  (6 years ago)

F+6=2(R+6)
F= 2R+6
M-2=2(R-2)
M= 2R-2
Therefore the sum of Raju’s Parent’s age is
F+M=2R+6+2R-2
F+M=4R+4
4 more than four times Raju’s age

Is this solution Helpfull? Yes | No   

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