#Solution of above quant has been explained. So if you wish | Aptitude Quiz by AptiRanker

#Solution of above quant has been explained. So if you wish to first solve the question, then stop reading and solve the question first,
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Amount = 3 P; Time = 10 years

Simple interest
= (P x R x T)/100

Let principal is P, Amount = 3P
=> S.I. = 2P

S.I. = (P x R x T)/100

2P = (P x R x 10/100

R= 20%
=> Rate is 20 % per annum.