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Downstream speed of the boat = 195/10 = 19.5 km/hr Upstream speed of the boat = 140/14 = 10 km/hr Speed of boat in still water = (19.5 + 10)/2 = 14.75 km/hr Distance travelled by the boat in still water in 4 hours = 14.75 × 4 = 59 km
The sum of the area of rectangle A and B is 2964 cm 2 . The ratio between the breadth of rectangle A and length of rectangle B is 2:3 respect...
In what time would a Cistern be filled by three pipes whose diameter are 2cm, 8/3 cm and 4cm running together, where the largest pipe alone fill it in 1...
If the area of a square field is 361 m2, then find the diagonal of the square field.
A sphere is melted and recast into 8 smaller spheres of equal size. If the radius of the original sphere is 12 cm, find the radius of each smaller sphere.
What is the difference between (in m2) the area of a circular field of radius 14 metres and area of a rectangular piece of land having its di...
Perimeter of a square field is 160 meters and the area of a rectangular field is 40% more than that of the square field. Find the area (in m2...
If the radius of a circle is given up to 15 times, how much of its perimeter will be the perimeter of the previous perimeter?
Determine the volume of a cone with a curved surface area of 180 cm² and a radius of 6 cm. (Assume π = 3 for calculations.)
Mr. Vivek divides Rs. 1703 such that 4 times the 1st share, thrice the 2nd share and twice the third share amount to the same. Then the value of the 2nd...
The length and breadth of a rectangular field are 51m and 30m respectively. A tank of length 8m, breadth 7m and depth 5m is dug out at the middle of the...
