Question
What propulsion system powers the Indian Naval ship
‘Arnala’?Solution
‘Arnala’ is the largest Indian Naval warship powered by a Diesel Engine-Waterjet combination. This propulsion method is efficient for shallow water and coastal operations, which suits its ASW role.
A solid spherical gold ball having a radius of 10 cm is melted to form smaller balls of radius 5 mm each. Find the number of such...
A wire is bent to form a square whose sides are of 44 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circl...
- The perimeter of a square is 112 cm. Calculate the area of that square.
A right circular cylinder has the same radius as a circle whose circumference is 220 units. The height of the cylinder is 20% less than its radius. Find...
The ratio of the radii of the bases of a cylinder and a cone is 4:5, while the ratio of their heights is 5:6. What is the ratio of the volume of the cyl...
A solid cylinder of radius 6 cm and height 14 cm is melted and recast into cones each of radius 3 cm and height 7 cm. How many cones are formed?
The perimeter of a rectangular field is 60 metres and its area is 137.5 m2 . What is the length of the diagonal of this field?
The length of a rectangle is 8 cm less than the radius of a circle. The perimeter of the rectangle is 60 cm, and the ratio of its length to breadth is 4...
Find the number of silver balls of diameter 2 cm each, that can be made from a sphere of diameter 32 cm?
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.
Relevant for Exams:
