Question
A train travels at an average speed of 75 km per hour
without stoppage and with stoppages it covers the same distance at an average speed of 55 km/hr. How many minutes per hour does the train stop?Solution
In what ratio coffee at 255 Rs/kg should be mixed with the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st ty...
If the volume of a cuboidal tank is 3840 m3 and the ratio of the length, width and height of tank is 5:4:3 respectively then find the height ...
If the volume of a cuboidal tank is 2560 m3 and the ratio of the length, width and height of tank is 5:4:2 respectively then find the height ...
A rectangular tank is 60 meters long and 40 meters deep. If 1800 cubic meters of water is drawn off the tank, the level of the water in the tank goes do...
A circle touches all four sides of a quadrilateral. If AB = 12 cm, BC = 22 cm, and AD = 18 cm, then what is the length of CD?
A cube has edge 13 m. Find its length of diagonal, surface area and volume.
On a rectangular wall of length 35 metres and height 30 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
The mean proportional of a and b is c. What is the mean proportional of a2 c and b2 c?
The perimeters of two similar triangles, ∆ PQR and ∆ XYZ are 48 cm and 24 cm respectively. If XY = 12 cm. then PQ is:
A sum of Rs. 15979 was divided between Wasim and Simran in such a way that if both invested their shares at 5 percent compound interest per annum. the ...
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