First of all we have arranged all the number in ascending order 3,6,7,8,9,10,11,15,17,21,23 Median = Exact middle number is median Here we have 10 is the middle number. So 10 will be median.
If a boy runs at the speed of 20 km/hr and crosses a bridge in 15 minutes, then what is the length of the bridge?
A person crosses a 1800 m long street in 5 min. What is his speed (in km/h)?
Bipasha and Malika leave the towns Kolkata and Ambala at 6:00 AM and travel toward Ambala and Kolkata respectively. Bipasha is 60 kilometers per hour an...
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A person walks at a speed of 'y' km/hr. After 1 hour, they increase their speed to (y + 10) and walk for another 4 hours. If the ratio of the distance c...
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Speed of the stream is 15 km/h and speed of boat in still water is 24 km/h. A boat takes a total of 38 hours for travelling downstream from Point M to P...
