father is 60, son is 15?
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if u solve u will get 10 points
just solved ^^
father is 60 years and son is 15 years.....
i have already said that! i am being blanked already!! read above!!
Ya vivek. It's absolutely right. U got 10 points. U r the first member to get point, leading all others.
yes ,father is 60 years and son is 15 years.....
ajay, why did you not read my comment. this group sucks, im outta here.
Ya sorry calcum....... calcum got 10 points bt not vivek. sorry.
Tell others how u solved. It will be better to all of us.
thank you :-)
15 and 60 - quarter. in 30 years they will be 45 and 90, 45 and 90 - half.
Son=10 & Father=40 (4 times now)
after 20 years.....
Son=10+20=30 & Father=40+20=60 (2 times)
i.e. answer is 10 and 40 years the son & father...
hello I asked after 30 yrs & not 20. Read carefully.
An equation system:
f = 4s (I)
f + 30 = 2(s + 30) (II)
Replacing f in II:
4s + 30 = 2(s + 30) --> 2s + 15 = s + 30 --> s = 15
Replacing s in I:
f = 4*15 = 60
Therefore, the father is now 60 years old and his son is 15.
nice method DraeKlae
A father, I know, is 4 times his son's age. And in 30 years son's age will be half of his father's age.
How old are the father and son now?