If the radius of a cylinder is decreased by $20\%$ and its height is increased by $50\%$, what is the percentage change in its volume?
Options:
- A: $4\% \text{ increase}$
- B: $4\% \text{ decrease}$
- C: $6\% \text{ decrease}$
- D: $8\% \text{ increase}$
Related Practice Questions:
- A sum of ₹4000 is invested at compound interest for 2 years at a rate of 10% per annum. What will be the total amount at the end of 2 years?
- At what rate of simple interest per annum will a sum of money double itself in 8 years?
- The difference between the compound interest and simple interest on a certain sum of money for 2 years at 5% per annum is ₹25. Find the sum.
- The study of living organism :
Loading Preview