Let the speed of boat in still water =B and speed of stream =S then – ATQ- B-S= 3km/h … (1) B+S=1/10 km/minutes B+S=6 km/h Solving (1) +(2) 2B=3+6=9 B=9/2=4.5km/h Take the time cover 5 km in still water = 5/4.5 =10/9 h.
A 18 m long ladder (whose foot is on the ground) leans against a wall making an angle of 60° with the wall. What is the height (in m) of the point w...
A circular wire of diameter 70 cm is folded in the shape of a rectangle whose sides are in the ratio 3:2. Find the area enclosed by the rectangle.
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hour...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 132˚ , then the measure of angle P is:
A rectangular tank is 50 meter long and 29meter deep. If 1000 cubic meters of water be drawn off the tank, the level of the water in the tank goes down ...
A cylindrical tank has a radius of 8 meters and a height of 12 meters. If the tank is filled with water, how much time will it take to fill the tank com...
Imagine that you have three identical cubes, each with a side length of 8 cm. These cubes are aligned and combined along their sides to form a single, e...
Consider a rectangle where the length to breadth ratio is 4:3. Given that the area of the rectangle is 48 cm², a square is constructed using the rectan...
A rectangular sheet measuring 44 cm by 38 cm has a square with a side length of 3 cm removed from each of its corners. The altered sheet is then folded ...
