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From I. Number of sons = 8. Number of daughter = 1. Hence, the total number of total children = 8 + 1 = 9 From II. Suppose number of daughter = x Hence, the number of total children = 8 x + x = 9 x Still we need the value of x. Hence II alone is not sufficient.
A right circular cylinder having total surface area of 18480 cm2 is immersed in a vessel completely filled with water. If the height of the c...
A cylinder has a height of 21 meters and a radius of 7 meters. If a cone has the same radius and height as the cylinder, what is the difference in volum...
The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
The length and breadth of a rectangular plot of a land are in the ratio 9:7. The owner spent Rs 8,000/- for surrounding it from all the sides at...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 128˚ , then the measure of angle P is:
The ratio of weights of two spheres of different materials is 8:17 and the ratio of the weights per same of materials of each is 289:64. The ratio of ra...
Radius of a circle is 10 cm. Angle made by chord AB at the centre of this circle is 60 degree. What is the length of this chord?
From the top of a cliff 100 meter high, the angles of depression of the top and bottom of a tower are 45° and 60° respectively. The height of the towe...
The sum of the perimeters of a square and a rectangle is 120 metres. If the sum of the length and breadth of the rectangle is 32 cm, then find the area ...
If the lateral surface area of a regular tetrahedron is 75√2 cm², determine the volume of the tetrahedron