Question

Age problems...all...2,3,4,5

Answer 1

hii Vieola18

2)let raju age=x
then,venkat age=2x
venkat is 3 yrs elder than raju

2x=x+3
2x-x=3
x=3
raju's age=3 yrs
venkat age=6 yrs

3)let B=x
A=x+15
10 yrs ago,A is 4 times of B

10 yrs ago,
A=x+15-10=x+5
B=x-10
x+5=4(x-10)
x+5=4x-40
4x-40=x+5
4x-x=+5+40
3x=45
x=45/3
x=15
so,B=15 years
A=B+15=15+15=30 years

4)let pashupati =X
       her brother=Y

x+y=15
x- y=03
cancel +y and -y
15+3=18
2X=18
X=18/2
X=9
so,pashupathi age=9
her brother age=9-3
                         =6 yrs

5)let present age of ramu=X
           34 yrs after his age will be 3 times
X+34=3x
3x-x=34
2x=34
x=34/2
x=17

so,present age of ram is 17 years

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