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CBSE Class 10 Answered

If radius of the base of cone is 7 cm and height is 24 cm, then find its slant height. (A) 23 cm  (B) 26 cm  (C) 31 cm  D) 25 cm
Asked by rashmij34 | 18 Mar, 2023, 11:03: PM
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Answered by Rashmi Khot | 18 Mar, 2023, 11:06: PM

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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
If radius of the base of cone is 7 cm and height is 24 cm, then find its slant height. (A) 23 cm  (B) 26 cm  (C) 31 cm  D) 25 cm
Asked by rashmij34 | 18 Mar, 2023, 11:03: PM
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CBSE 10 - Maths
8th one
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Asked by pentikalyanram | 22 Dec, 2022, 08:12: 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
what is the formula of cone
Asked by kavya123 | 01 Jun, 2021, 09:38: PM
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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
A man donates 10 aluminium buckets to an orphanage . A bucket made of aluminium is of h=20cm and has its upper and lower end of r=36cm and 21 cm . Find the cost of preparing 10 buckets if the cost of aluminium is rs 42 per 100 cm sq
Asked by thunderboyshubharth2005 | 13 Mar, 2021, 01:54: PM
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CBSE 10 - Maths
A hemispherical  depression  is  cut  out  from  one  face  of  cubical  block  of  side  7cm,  such  that                   the  diameter  of  the  hemisphere  is  equal  to  the  edge  of  the  cube.  Find  the  surface  area  of  the remaining  of  solid. .
Asked by meet46159 | 04 Jan, 2021, 10:43: 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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