Question

Sumit is 3 times as old as his son . Five years later ,he shall be two and a half times as old as his son . How old is sumit at present

Answer 1

Let summit's age be x years and his son's age be y years

According to given condition:

x=3y ......(i)

x+5= 5/2(y+5)

2(x+5) = 5y+25

2x+10= 5y+25

2x = 5y+15

Substituting value from (i)

2(3y) = 5y+15

6y =5y+15

Y= 15 years

Substituting value in (i)

x= 3*15

x= 45 years

Answer 2

Answer:

Let summit's age be x years and his son's age be y years

According to given condition:

x=3y ......(i)

x+5= 5/2(y+5)

2(x+5) = 5y+25

2x+10= 5y+25

2x = 5y+15

Substituting value from (i)

2(3y) = 5y+15

6y =5y+15

Y= 15 years

Substituting value in (i)

x= 3*15

x= 45 years

Step-by-step explanation:

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