search
Q: A sum, when invested at 20% simple interest per annum, amounts to ` 2160 after 4 years. What is the simple interest (in `) on the same sum at the same rate in 2 year?
  • A. 1920
  • B. 240
  • C. 480
  • D. 960
Correct Answer: Option C -
answer image

Explanations:

explanation image