In a $1000 \text{ m}$ race, A beats B by $25 \text{ seconds}$. If A's speed is $10 \text{ m/s}$, find B's speed.
Options:
- A: $7.5 \text{ m/s}$
- B: $8 \text{ m/s}$
- C: $8.5 \text{ m/s}$
- D: $9 \text{ m/s}$
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.
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