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Droscha magniferae is a scale insect belonging to the family Coccidae, known for waxy coverings and sap-sucking damage.
A train travelling with a speed of 54 km/h can cross a pole in 6 seconds. Find the time taken by the train to cross a 210 metres long platform if the sp...
Train ‘A’ of length 150 metres crosses a platform of length 250 meters in 20seconds. If the ratio of the speed of train ‘A’ to that of train ‘...
Train ‘A’ travelling with a speed of 60 km/h can cross a pole in 15 seconds. If the length of train ‘B’ is 38% less than that of train ‘A’ a...
A train 400 m long running at 108 km/hr takes 35 seconds to cross a bridge. The length of the bridge is
Two trains, each 130 meters long, are running in opposite directions. If the speed of one train is twice that of the other and they take 13 seconds to c...
A train 275 metre long takes 33 sec to cross a man running at a speed of 5 km/hr in the direction same to that of train. What is the speed of the train?
Train ‘A’ running with a speed of 126 km/hr can cross a standing goods train of 4 times its length in 25 seconds. Find the time taken by 500 metres ...
Train 'E' leaves at 9:00 PM on Wednesday from Kolkata station and reaches Bangalore station at 11:00 AM the next day, while train 'F' leaves at 8:30 PM ...
Two trains of same length are running in parallel tracks in the same direction with speed 61 km/hr and 115 km/hr respectively. The latter completely cro...
A train passes an electrical pole in 15 seconds and passes a platform 345 m long in 60 seconds. Find the length of the train.