Question

Sandeep father is 30 years older than him the product of their ages to learn from now will be 400 we have to find Sandip present age

Answer 1

Answer:

X(X+30)=400

x^2+30x=400

-30+-√900-4(1)(-400)/2

-30+-50/2

20/2=10 is the present age of Sandeep and his father age is 40

Answer 2

Answer:

Given,

Sandeep's father is 30 years older than him. The product of their ages from now will be 400.

So, According to the question,

Let Sandeep's age be x years.

Then,

His father's age = x+30 years.

According to the question,

So,

Either x=-40 or x=10

Since age can't be negative, so x=10.

Therefore, present age of sandeep is 10 years.