Question

plz answer it ......and help me​

Answer 1

Answer:

ii) 8% p. a.

Step-by-step explanation:

$\frac{prt}{100} = 12 \\ \frac{3 \times r \times 50}{100} = 12 \\ on \: solving \: this \\ r = 8\%$

hope this will be helpful.....

Answer 2

Step-by-step explanation:

r=8 I hope you understand