Question

The age of father is three times the age of son. If the age of son is 15 years old, then the age of father is: a) 50 years b) 55 years c) 40 years d) 45 years

Answer 1

Step-by-step explanation:

Let father age =x, son age =y    

 x+y=65⇒y=65−x         .....(1)                                                

2(x−y)=50⇒2x−2y=50

⇒2x−2(65−x)=50⇒2x−130+2x=50

⇒x=45

So father age =45years

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Answer 2

Answer:

d)45 years

Step-by-step explanation:

x is age of father y is age of son

y = 15 given x=3y

x=3*15=45