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If ' θ ' is the angle of elevation then here tan θ = length of Pole/ Shadow = 21/ 7 √3 = 3/√3 = √3 = tan 60 or θ = 60°
A car travels from point A to point B at a speed of 60 km/h and returns from point B to point A at a speed of 80 km/h. If the total time for the round t...
Two trains X and Y whose length are in ratio of 5:8 and time taken to cross a man standing on a platform is 5:2. If the speed of the train X is 24 km/h ...
Sumit covered a distance of 1000 km in 5 hours on a bike. How much distance will he cover on a bicycle in 7 hours if he rides the bicycle at 2/5th<...
A person traveled 140 km in 3 hours. For the first 2 hours, he traveled at 60 km/h. What was his speed during the last hour?
A train covers a distance of 60 km at the speed of 30 km/h the next 130 km distance covers with a speed of 50 km/h and last 56 km with the speed of 40 k...
In a 1200-metre race, 'Karan' beats 'Arjun' by '240' metres and 'Veer' by '360' metres. If 'Arjun' and 'Veer' participate in a 600-metre race, and 'Veer...
A man travels some distance at a speed of 16 km/hr and returns at a speed of 8 km/hr. If the total time taken by him is 3 hrs 45 min, the distance is
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 10 km/hr, respectively. If the di...
A runner completes a track in three segments. For the first 'v - 5' km, he runs at 15 km/h, for 'v' km at 25 km/h, and the last 'v + 5' km at 20 km/h. I...
A and B are travelling towards each other with a speed of 15 km/hr and 30 km/hr. If they started at same time and A covered 25 km less distance than B b...
