Question

Bala is 11 years old his father is 37 years old In how many years time will Bala father be three times as old as Bala?

Answer 1

Answer:

2 years

Step-by-step explanation:

Bala is 11

his father is 37

2 years later:

Bala is 11+2=13

his father is 37+2=39

13*3=39

Answer 2

Answer: Bala's father be three times as old as Bala in 2 years when Bala is 11 years old and his father is 37 years old.

Step-by-step explanation:

Present age of Bala = 11 yrs

Present age of Bala's father= 37 yrs

Let after t years Bala's father will be three times as old as Bala

t years later:

Bala's age = 11+t

his father's age = 37+t

According to question, after t years Bala's father age will be 3 times as of son's age

⇒37+t=3( 11+t)

⇒37+t=33+3t

⇒3t-t=37-33

⇒2t=4

∴ t=2

Hence, in 2 years Bala's father be three times as old as Bala.

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