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If we interchange digit 2 with 1 then- 9 + 6 ÷ 4 × 21 - 5 = 9 + 18 - 5 =22
A 360 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
450 metre long train ‘A’ is running with a speed of 99 km/hr. Train ‘B’ which is 555 metre long is running with a speed of 90 km/h in opposite d...
Calculate the speed of a train in meters per second if it covers a distance of 20 kilometers in 12 minutes.
How many seconds will a train 60 m in length, travelling at the rate of 40 km an hour, take to pass another train 90 m long, proceeding in the same dire...
Two trains, each 110 meters long, are running in opposite directions. If the speed of one train is twice that of the other and they take 12 seconds to c...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 360 metres, in what ti...
A 130 m long train crosses another 250 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 10 seconds, ...
A train crosses a 300-metre-long bridge in 20 seconds, and the same train crosses a tunnel twice the length of the bridge in 35 seconds. Find the speed ...
A train moving at a speed of 72 km/h takes 12.5 seconds to pass a pole. If the train takes 24 seconds to completely cross a platform, what is the lengt...
