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CBSE Class 10 Answered

The radius of a cylindrical tank is 28 m. If its capacity is equal to that of a rectangular
tank of size 28 m x 16 m x 11 m then, its depth is
Asked by Satya | 02 Mar, 2017, 10:15: AM
answered-by-expert Expert Answer
begin mathsize 16px style Volume space of space the space rectangular space tank space equals space 28 cross times 16 cross times 11 equals 4928 space straight m cubed Capacity space of space the space cylindrical space tank space equals space Volume space of space the space rectangular space tank space space... left parenthesis given right parenthesis rightwards double arrow πr squared straight h equals 28 cross times 16 cross times 11 space space where space straight h equals space depth space of space the space tank rightwards double arrow 22 over 7 cross times 28 squared cross times space straight h equals 28 cross times 16 cross times 11 rightwards double arrow straight h equals fraction numerator 28 cross times 16 cross times 11 cross times 7 over denominator 28 cross times 28 cross times 22 end fraction rightwards double arrow straight h equals 2 space straight m So comma space the space depth space of space the space tank space is space 2 space straight m. end style
Answered by Rebecca Fernandes | 02 Mar, 2017, 10:22: AM

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CBSE 10 - Maths
a company wanted to manufacture 1000 hemispheres basins from thin steel sheet radius is 21 cm find the required area of steel sheet manufacturers the above hemispherical basins
Asked by barakaakashgoud | 21 Dec, 2023, 05:16: AM
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CBSE 10 - Maths
A golf ball is spherical with about 300 - 500 dimples that help increase its velocity while in play. Golf balls are traditionally white but available in colours also. In the given figure, a golf ball has diameter 4-2 cm and the surface has 315 dimples (hemi-spherical) of radius 2 mm. Based on the above, answer the following questions: (i) Find the surface area of one such dimple. (ii) Find the volume of the material dug out to make one dimple. Find the total surface area exposed to the surroundings.
Asked by swetalinasamantaray022 | 21 Mar, 2023, 04:16: PM
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CBSE 10 - Maths
3. A glass cylinder with radius 10 cm has water to a height of 9 cm. A metal cube of 8 cm edge is immersed in it completely. Calculate the height by which water will rise in the cylinder. Use =22/7
Asked by rajsingh94116633 | 04 May, 2022, 10:06: AM
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CBSE 10 - Maths
A conical tank with base radius 20 cm and height 40 cm is initially filled with water. Water drains through a small round hole at the bottom with a diameter of 1cm. Find an expression for the height of water in the tank at time t  
Asked by anitajoshi0912 | 22 Dec, 2021, 09:12: AM
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CBSE 10 - Maths
if d is the diameter of the sphere then its volume is dash cu units
Asked by gnarasimha626 | 24 May, 2021, 09:40: AM
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CBSE 10 - Maths
The amount of air present in a cylinder when a vaccum pump removes 1/4 of the air remaining in the cylinder at a time 
Asked by bhumichoudhary9091 | 18 Nov, 2020, 09:29: AM
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CBSE 10 - Maths
Social welfare Association decides to supply drinking water for the flood affected people the drinking water is filled in a water tanker which is in the shape of a cylinder with hemispherical ends as shown in the figure the length of the tanker is 4.2 metre and the diameter of the base of the cylinder to hemisphere are each 1.2 metre if the distribute drinking water to 60 people in a container each of the shape of the cylinder radius 21 cm and height 15 cm find the quantity of the voter list in the tanker after distribution in litre 
Asked by adithyakambli123 | 13 Mar, 2020, 07:29: PM
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CBSE 10 - Maths
Water is flowing through a cylindrical pipe of internal diameter of 2cm into a cylindrical tank of base radius 40 cm at a rate of 0.4 m/s. Determine the rise in water level in the tank in 1/2 hour 
Asked by adalroshan2464 | 10 Mar, 2020, 10:39: PM
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CBSE 10 - Maths
Water is flowing at the rate of 7m/s through a circular pipe whose internal diameter   is of 2 cm into a cylindrical tank , the radius of whose base is 40 cm . Determine the increse in water level in 1/2 hours.
Asked by adalroshan2464 | 10 Mar, 2020, 10:34: PM
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CBSE 10 - Maths
A social welfare association supply drinking water for social affected people the drinking water is filled in water tank which is shape of cylinder with hemisphere end as shown in figure the whole lenght of tanker is 4.2m and the diameter of the base cylinder and two hemisphere are each 1.2m if they distributing drinking water to 60 people in a container each in shape of cylinder of radius 21cm and height 50cm find the quantity of water left in the container after distributing in litre​
Asked by shakilaalva31 | 18 Feb, 2020, 05:27: PM
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