Q1 · medium · AI-verified
A sum doubles itself in 5 years at compound interest. In how many years will it become 8 times?
- 10 years
- 25 years
- 15 years
- 20 years
Q2 · medium · PYQ 2023
A sum of money at 20% rate of compound interest per annum becomes more than 100 times in n years. What is the least value of n? (Use log₁₀2 = 0.301, log₁₀3 = 0.477)
- 23
- 24
- 25
- 26
Q3 · medium · AI-verified
Compound interest on ₹15,000 at 12% per annum for 1.5 years, when interest is compounded half-yearly, is:
- ₹2,869.10 (approx)
- ₹2,835
- ₹3,000
- ₹2,700
Q4 · easy · PYQ 2025
How much will ₹10,000 amount to in one year's time at 4% rate of interest per annum if the interest is compounded once in every three months? (take approximate value)
- ₹10,406
- ₹10,416
- ₹10,426
- ₹10,436
Q5 · medium · AI-verified
The difference between compound interest and simple interest on a sum of ₹5,000 at 8% per annum for 2 years is:
- ₹32
- ₹40
- ₹25
- ₹50