Question

in how much time will a sum triple itself at 20%p.a. ?​

Answer 1

Step-by-step explanation:

10 years A sum become 3 times . rate =20%p.a.

Answer 2

Answer:

10 years

Step by step explanation:

Let the principal be x

So,Amount will be 3x

Now ,

Simple Interest = Amount - Principal

= x * 20 * t /100

200x = 20x * t

200x = t

20x

10 = t

Therefore ,10 year is the time when 20 pa become thrice.

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