Question

p=1200,
t=4yer,
r=10%.

Answer 1

simple interest

$(1200 \times 4 \times 10) \div 100$

480 is s.i. here

hope this helps you

Answer 2

S.I. = (P × R ×T)/100

(1200 ×4×10)/100

48000/100

S.I.=Rs.480

ans.......