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CBSE Class 10 Answered

is pie a rational or irrational.explain
Asked by | 11 Oct, 2008, 01:28: PM
answered-by-expert Expert Answer

Pi is irrational, because , it can not be expressed in the form p/ q where p and q are integers and q is non zero.

Note : 22/ 7 is only its approximate value

Answered by | 12 Oct, 2008, 04:18: PM
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CBSE 10 - Maths
hemispherical vessel of radius 14 cm is completely filled with sand. When this sand is poured on a flat ground, the pile of sand forms a cone. The height of this conical pile of sand is 7 cm. Then find how much area on the ground the base of the cone occupies.
Asked by sandeepsg9814 | 03 Mar, 2024, 10:11: PM
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CBSE 10 - Maths
From each corner of a square sheet of side 8cm, a square of side y cm is cut. The remaining sheet is folded into a cuboid. The minimum possible volume of the cuboid formed is M cubic cm. If y is an integer, then find M.
Asked by vandana | 17 Feb, 2024, 12:46: PM
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CBSE 10 - Maths
find the volume and surface area of a sphere of a radius 2.1cm
Asked by skj809563 | 24 Nov, 2023, 09:07: PM
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CBSE 10 - Maths
water flows out through a circular pipe whose internal diameter is 4/3 cm at the rate of 0.63m per sec into a cylindrical tank the radius of whose base is 0.2 m by how much will the level of water rise in one hour
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Asked by advikanagare29 | 13 Nov, 2023, 09:07: PM
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CBSE 10 - Maths
Q 16/30 A floor measuring 3m * 2m is to be covered with tiles measuring 30cm * 30 cm. Can we find the number of tiles required to cover the floor and the cost of the tiles at *430 per dozen? a. Yes, the given information is enough to get the answer Ob. No, more information is needed. ↑
Asked by harjinder13100 | 31 Oct, 2023, 05:48: PM
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CBSE 10 - Maths
The total surface area of a solid hemisphere of radius 7 cm is
Asked by naveenkumarbana1 | 08 Jan, 2020, 07:38: AM
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CBSE 10 - Maths
A retangular block 6 cm x 12 cm x 15 cm is cut into exact number of equal cubes. The leas possible number of cubes will be
Asked by | 02 Jan, 2013, 09:56: AM
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CBSE 10 - Maths
a metallic sphere with radius 42cm is melted to cast 8000 identicl spheres find the radius of these sphere
Asked by Manisha Vadagave | 18 Dec, 2012, 07:25: PM
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CBSE 10 - Maths
the base of the cone with radius 15 cm & slant height = 25cm is hemisphereical find the volume of this solid using 3.14
Asked by Manisha Vadagave | 18 Dec, 2012, 07:23: PM
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CBSE 10 - Maths
a cylindrical tank is closedby both end by hemisphere its r=2.1m & the total height is 9.2 how many liter of petrol can it contain
Asked by Manisha Vadagave | 18 Dec, 2012, 07:19: PM
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