Answer
Step by step text solution for Three solid metallic spheres whose radii are 1cm, x cm and 8 cm, are melted and recast into a single solid sphere of diameter 18 cm. The surface area (in cm^2) of the sphere with radius x cm is : तीन ठोस धात्विक गोले जिनकी त्रिज्याएँ 1 सेमी, x सेमी और 8 सेमी हैं, उन्हें पिघलाया जाता है और फिर 18 सेमी व्यास वाला एक ठोस गोला बनाया जाता है | उस गोले का पृष्ठ क्षेत्रफल (वर्ग सेमी में ) ज्ञात करें जिसकी त्रिज्या x सेमी थी | by MATHS experts to help you in doubts & scoring excellent marks in Class 14 exams.
|
Topper's Solved these Questions
SSC CGL MAINS 2018 NUMBER SYSTEM
PINNACLE|Exercise Exercise|28 VideosView PlaylistSSC CHSL 2018 QUESTION PAPER
PINNACLE|Exercise Exercise|600 VideosView Playlist
PINNACLE-SSC CGL MAINS ALL MENSURATION QUES 2018-Exercise
- Three solid metallic spheres whose radii are 1cm, x cm and 8 cm, are m...
04:34
|
Playing Now - The ratio of the volumes of two cylinders is x:y and the ratio of thei...
05:19
|
Play - If the radius of the base of a cone is doubled, and the volume of the ...
01:21
|
Play - If the radius of a right circular cylinder is decreased by 20% while i...
02:31
|
Play - If the diameter of the base of a cone is 42 cm and its curved surface ...
02:49
|
Play - A right circular cylinder of maximum volume is cut out from a solid wo...
02:32
|
Play - The lateral surface area of a cylinder is 352 cm^2. If its height is 7...
02:29
|
Play - If the radius of a sphere is increased by 4 cm, its surface area is in...
02:46
|
Play - The volume of a right pyramid is 45sqrt3 cm^3 and its base is an equil...
01:56
|
Play - The internal and external radii of a hollow hemispherical vessel are 6...
04:25
|
Play - The base of right prism is a trapezium whose parallel sides are 11cm a...
02:40
|
Play - If a cuboid of dimensions 32cm x 12cm x 9cm is cut into two cubes of s...
03:54
|
Play - If the diameter of the base of a right circular cylinder is reduced by...
01:53
|
Play - A solid metallic sphere of radius 8 cm is melted and drawn into a wire...
04:13
|
Play - A field roller, in the shape of a cylinder, has a diameter of 1 m and ...
04:01
|
Play - The base of a right pyramid is an equilateral triangle with side 8 cm,...
02:42
|
Play - A right circular solid cone of radius 3.2 cm and height 7.2 cm is melt...
02:07
|
Play - A cylindrical vessel of radius 3.5 m is full of water. If 15400 litres...
02:50
|
Play - A hemispherical bowl of internal diameter 36 cm is full of a liquid. T...
02:37
|
Play - If the curved surface area of a solid cylinder is one-third of its tot...
01:27
|
Play