If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of eq
If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball…
Find the length of the wire required to go 15 times round a square field contain
Find the length of the wire required to go 15 times round a square field containing 69696 m 2 .
The area of the floor of a room is 20 m 2 that of a longer wall 15 m 2 and of th
The area of the floor of a room is 20 m 2 that of a longer wall 15 m 2 and of the shorter…
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m 2 ;…
The curved surface of a sphere is 64 π cm 2 . Find its radius?
The curved surface of a sphere is 64 π cm 2 . Find its radius?
The area of a base of a cone is 30 cm 2 . If the height of the cone is 6cm, find
The area of a base of a cone is 30 cm 2 . If the height of the cone is 6cm, find its volume?
The edge of a cube is 2a cm. Find its surface?
The edge of a cube is 2a cm. Find its surface?
A solid consists of a circular cylinder with an exact fitting right circular con
A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is…
If the radius of the sphere is doubled then it’s volume is increased by?
If the radius of the sphere is doubled then it’s volume is increased by?
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to…
A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m an
A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The…
What is the total surface area of a right circular cone of height 14 cm and base
What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?