Mathematics
Medium
Question
A sum of money becomes 7⁄5 of itself in 4 years at a certain rate of simple interest. The rate per annum is :
A
9%
B
10%
✓ Official correct answer
C
11%
D
12%
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
9%
No member explanations yet for this option.
B
10%
No member explanations yet for this option.
C
11%
No member explanations yet for this option.
D
12%
No member explanations yet for this option.