A train travels at 82.6 km/hr. How many meters will it cover in 15 minutes?

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1. **Convert speed to meters per second**:  
   $$ 	ext{Speed} = 82.6 \, 	ext{km/hr} = 82.6 	imes \frac{1000}{3600} = 22.94 \, 	ext{m/s}. $$

2. **Convert time to seconds**:  
   $$ 	ext{Time} = 15 \, 	ext{minutes} = 15 	imes 60 = 900 \, 	ext{seconds}. $$

3. **Calculate distance**:  
   $$ 	ext{Distance} = 	ext{Speed} 	imes 	ext{Time} = 22.94 	imes 900 = 20646 \, 	ext{m}. $$

Approximation gives **20650 meters**, which matches **option (a)**.

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