Arithmeticmedium · Past Paper
At what rate percent per annum will a sum of money double itself in 8 years using simple interest?
A12.5%
B10%
C15%
D8%
✓ Correct Answer: A — 12.5%
For doubling, I=P. P = (P*8*R)/100 => R = 100/8 = 12.5%.
Share this question
More from Arithmetic
- If a/3 = b/4 = c/7, then (a+b+c)/c is equal to:
- The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, find x.
- Successive discounts of 10%, 20%, and 30% is equal to a single discount of?
- A computer costs Rs. 50,000. Its value depreciates at 10% p.a. Find its value after 2 years.
- A sofa set is sold for Rs. 16,000 at a loss of 20%. Find the cost price.