If lift is going up with acceleration, the apparent weight of a body is -
If lift is going up with acceleration, the apparent weight of a body is more than the true weight.
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
Two boats A and B start towards each other from two places, 660 km apart. Speed of the boat A and B in still water are 30 km/h and 25 km/h respectively....
A boat takes 270 minutes to travel 90 km in upstream. The same boat in the same stream takes 120 minutes to travel 50 km in downstream. Find the distanc...
Speed of a boat in still water to speed of boat in upstream is 9:5. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by ...
A boat takes 7 hours to cover 266 km upstream and 9 hours to cover 468 km downstream. Find the time taken by the boat to cover 528 km upstream and 540 k...
A man can go on a motor boat with a speed of 15 km/hour in still water, he goes to a certain distance upstream and come back to the starting point in a ...
Find the total distance covered by boat in each upstream and downstream in 6 hours if the speed of boat in still water and speed of current is 15 km/h a...
Two boats X and Y start towards each other from two places, 76 km apart. Speed of the boat X and Y in still water are 8 km/hr and 11 km/hr respectively....
Speed of current is equal to 25% of speed of boat in still water. If the boat takes 5 hours to cover 120 km in still water, then find the time taken by ...
A boat goes 40 km in upstream in 5 hours and takes 3 hours to complete a distance of 18 km in downstream. Find the speed of boat in still water.
