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Speed of the boat in still water = 120 ÷ 8 = 15 km/h Speed of current = 15 X 0.2 = 3 km/h Therefore, upstream speed of the boat = 15 - 3 = 12 km/hr Required time taken = 96 ÷ 12 = 8 hours
A street of width 25 metres surrounds from outside a rectangular garden whose measurement is 190 m × 220 m. The area of the path (in square metres...
If the area of a square field is 441 m2, then find the diagonal of the square field.
The volume of a solid cube is 2197 m3. If whole cube is to be painted at a rate of Rs. 3.5 per m2, then what will be the cost of p...
The volume of a cuboid whose length, breadth, and height are in the ratio 5:3:2, respectively, is 3,000 cm³. Find the lateral surface area of the cuboi...
There's a cone of height 12cm out of which a smaller cone with the same vertex and vertical axis is cut out. What is the ratio of the volume of the larg...
A circular clock has the hour hand of length 6 inch. Find the length of the distance it covers by it's tip from 9 p.m. to 3 a.m.
Calculate the area of the square whose perimeter is equal to the perimeter of a rectangle which has length 22 cm & breadth 14 cm .
Perimeter of a square and circumference of a circle are in the ratio 15:11, respectively. If area of the square is 225 cm2, then find the rad...
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 quantity of sugar in a 28 percent sugar solution is 91 grams. What is the total quantity of the solution?
