২৬৩০৩
A train 150 m long passes a pole in 15 seconds and crosses another train of the same length travelling in opposite direction in 8 seconds. The speed of the second train in (km/h) is __
উত্তর
99 km / hr
২৬৩০৪
Below, out of the four figures marked A, B, C and D, three are similar in a certain manner , However, one figure is not like the other three. Choose the figure which is different from the rest.
উত্তর
.
.
২৬৩০৫
30 men took a dip in a water tank 20m long and 15m broad on a religious day.If the aveage water displacement of water by a man is 2m3, then the rise in the water level in the tank will be --
উত্তর
20 cm
২৬৩০৭
The ratio of the speeds of a train and a man 6: 1. The length of the train is 650 m and crosses a pole in 1 minute 5 seconds. In how much time will the man cross the 240 m long platform?
উত্তর
1 min 24 sec