3 × 1 - 1 = 2 2 × 2 - 1= 3 3 × 3 - 1= 8 8 × 4 - 1 = 31 31 × 5 - 1= 154
A Train Rajdhani Express leaves Kanpur station at 6 am and reaches Lucknow station at 10 am. Another Train Shatabdi Express leaves Lucknow station at 8 ...
Car 'X' travels for 4 hours to reach from point A to B. Car 'Y' travels 210 km to reach from point B to C in 3 hours. Distance travelled by car 'X' to c...
Two trains running at the rates of 75 and 60 kmph respectively, On parallel rails in opposite directions, are observed to pass each other in 12 seconds,...
A train takes 5 seconds more to cross a 180-metre-long platform than it takes to cross a pole. If a car running at the speed of 42 m/s takes 80 seconds ...
Train A running at a speed of 30 km/hr crosses train B in 20 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Train A running at speed of 126 km/hr crosses a platform having twice the length of train in 15 sec. Train B whose length is 400m crosses same platform ...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
How many seconds will a train 68 m in length, travelling at the rate of 40 km an hour, take to pass another train 92 m long, proceeding in the same dire...
200 metre long train ‘A’ can cross a platform of length 180 metres in 10 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
Two trains of same length are running in parallel tracks in the same direction with speed 50 km/hr and 80 km/hr respectively. The latter completely cros...
