Question

Find the period in which an amount gets doubled at 12% pa compound interest

Answer 1

Let the principal be P.

Since it gets doubled ,

Amount = 2P

P + (Pnr/100) = 2P

Pnr/100 = 2P-P

Pnr/100 = P

nr/100 = 1

n(12) = 100

n = 100 /12 = 8.33 years

n = 8 years 4 months

I hope this answer helps you

Answer 2

C da attachment above..... u ll gt ur ans