Question

give me answer of this.....

Answer 1

here's your answer:
given,
principal=₹64000
amount=₹81000
time=2years
thus
amount=p(1+r/100)^n
81000/64000=(1+r/100)^2
81/64=(1+r/100)^2
thus1+r/100=√81/√64
1+r/100=9/8
r/100=1/8
r=1*100÷8
r=12.5%per annum
hope it helps...
Please mark it as Brainliest!!

Answer 2

Ur answer is in the attachment