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Start learning 50% faster. Sign in nowSeismometers are instrument that measures motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions and other seismic sources. Records of seismic waves allow seismologists to map the interior of the earth and locate and measure the size of these different sources. Seismograph is another Greek term meaning to draw siesmo waves.
A train travelling with a speed of ‘x’ km/h can cross a pole in 6 seconds, and a 180 metre long platform in 15 seconds. Find the distance travelled ...
A train 150 m long running at 36 km/hr takes 50 seconds to cross a bridge. The length of the bridge is
Train ‘A’ running with a speed of 72 km/h crosses a pole in 8.5 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a sp...
600 metre long train ‘A’ is running with a speed of 57.6 km/hr. Train ‘B’ which is 641 metre long is running with a speed of 90 km/h in opposite...
A train takes 16 seconds to pass a stationary boy. The same train requires 38 seconds to traverse a platform measuring 495 meters in length. Determine t...
Train 'C' running with a speed of 90 km/hr crosses a pole in 8 seconds. In how much time will train 'C' cross train 'D' whose length is 80 meters more a...
