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Speed of the steamer in still water = (80/5) =16 km/h Speed of the stream = (16/1.5) = (32/3) km/h Upstream speed of the boat = 16 – (32/3) = {(48 – 32)/3} = (16/3) km Required time taken = 80 ÷ (16/3) = 80 ×3/16 = 15 hours
The ratio of the length to the breadth of a rectangular park is 3:2. If a man cycling along the boundary of the park at the speed of 18 km/hr completes...
The area of four walls of a room is 112 cm2. If the length and breadth of the room were equal and the height of the room is 4 cm, then what i...
The volume of a cube is 125 cm³. If the cost of painting the cube is Rs. 18 per cm², then find the cost of painting five faces of the cube.
A cuboid is formed by combining two identical cubes. If the surface area of each cube is 600 cm², find the total surface area of the resulting cuboid.
An agricultural field is in the form of rectangle having length X1 meters and breadth X2 meters. (X1 and X2 are variables). If X1 + X2 = 40 meters, then...
A cuboid has a breadth of 5 cm, and the combined total of its length and height is 23 cm. If the volume of the cuboid is 600 cm³, calculate the percent...
The difference between the area of a circle and the area of the rectangle is 290.16 cm2. If the length of rectangle is 25% more and breadth i...
If the volume of a cuboidal tank is 1620 m3 and the ratio of the length, width and height of tank is 5:4:3 respectively then find the height ...
Consider a circle and a square whose circumference ratio is 11:8. If the sum of the circle's radius and the length of one side of the square equals 30 c...
The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?
