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mal hn 18m, is filled with sand, Thi, conical heap of heheight, , the heap,, (CBSE 2012, 2014], , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , and 7 cm respectively., , - jiameters of the j (CBSE 2018], , * ea 10 cm etek it otal surfaces of a hollow spherical shell are, diameter 14cm, find the height of the oie ie a a, , here of internal and tema, , A hollow sp! n and external diameters 4 ¢ 8 ively is, , ~ intoacone of base diameter 8 cm, Calculate the Regn eget ents Tae, , 4, Ahollow sphere of internal and external radii 2m and 4 cm respectively is melted into, acone of base radius 4 cm. Find the height and slant height of the cone., , 7, Aspherical ball of radius 3 cm is, , melted and recast into three spherical balls. The radii, of two of the balls are 1.5 cm and 2cm, Find the diameter of the third ball., , 4. Apath2 m wide surrounds a circular pond of diameter 40 m. How many cubic metres of, _ gravel are required to grave the path toa depth of 20cm?, %, Al6m deep well with diameter 3.5 mis dug upand the earth from itis spread evenly to, _ formaplatform 27.5 m by 7m. Find the height of the platform,, 40, Awell of diameter 2 m is dug 14 m deep. The earth taken out of it is spread evenly, _ allaround it to form an embankment of height 40 cm, Find the width of the embankment., [CBSE 2015], AWwell with inner radius 4 m is dug 14 m deep. Earth taken out of it has been spread, evenly all around a width of 3 m it to form an embankment. Find the height of the, _ embankment. [CBSE 2016], 2, ; i deep. The earth taken out of ithas beenspread evenly, ‘ ‘Well of diameter 3m is dug 14m. . s 3 ?, ‘ ii is 4 m to form an embankment. Find the height of the, around to a width of [CBSE 2016], Find the volume ofthe largest right circular cone that can becutout ofa cube whose edge, 89cm,, , , , , , ical £ 18cm of radius of the base, is filled with sand. This, iptied , 32cm hig ane conieal heap of sands formed. the heightof the, nea ipo an, fat the radius and slant height of the heap., , face of length 6 m and breadth, Water, which falls on a flat rectangular suse Oe 39 cm, What will, , eed 1 of, transferred into a cylindrical vesse’ 0 ne Of 1 cm has fallen ?, height of water in the cylindrical verse! f {Use = 2271, z 22 m x 20 m drains into a cylindrical ve, renaetege hai, ' of base 2m then find the rain fall in.cm-
