Two pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. If both pipes are opened together, how much time will they take to fill the tank?
A container contains 40 litres of milk. From this container, 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
A container contains 40 liters of milk. From this container 4 liters of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
In March 2026, the 'Bhashini' AI platform introduced support for which classical language to enable real-time translation during the National Cultural Festival?
In March 2026, which country officially launched the 'Boreas-1' mission, the world's first satellite designed specifically to track 'Dark Vessel' activity to prevent illegal fishing?