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mistdew
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There are two solids 1 & 2. These solids are not of the 04 Aug 2003, 05:06
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There are two solids 1 & 2. These solids are not of the same type.Does Solid 1 have more no. of faces than Solid 2?
a) Solid 1 is a tetrahedron
b) Solid 2 is a rectangualar pyramid

Pls explain..



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There are two solids 1 & 2. These solids are not of the 04 Aug 2003, 05:43
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a tetrahedron is a three-dimension object that has four faces
a rectangular pyramid has five faces

but to answer, you do not need to know what either means. You need just two numbers. Thus, C.
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prashant
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There are two solids 1 & 2. These solids are not of the 04 Aug 2003, 05:57
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mistdew
There are two solids 1 & 2. These solids are not of the same type.Does Solid 1 have more no. of faces than Solid 2?
a) Solid 1 is a tetrahedron
b) Solid 2 is a rectangualar pyramid

Pls explain..
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A tetrahedron and rectangular pyramid have the same number of faces. Therefore, (a) and (b) together are sufficient to arrive at the answer.
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mistdew
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There are two solids 1 & 2. These solids are not of the 04 Aug 2003, 20:15
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Hi
The answer i have is "Solid 1 is a tetrahedron. A tetrahedron has 4 faces.No solid can have less no. of faces than a tetrahedron. Hence 1 alone is sufficient. - thus A.
I thought it was C myself and I cant figure outt his explanation.Is the above expln wrong :?:
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There are two solids 1 & 2. These solids are not of the 05 Aug 2003, 03:36
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you have tricked us with amazing ease
However, we need to know what Solid 2 is, for it could be the same tetrahedron of different type.

I insist on C.
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AkamaiBrah
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There are two solids 1 & 2. These solids are not of the 05 Aug 2003, 08:16
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stolyar
you have tricked us with amazing ease
However, we need to know what Solid 2 is, for it could be the same tetrahedron of different type.

I insist on C.
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I vote with Mistdew.

A tetrahedron, by its very name, means 4-sides. Any other polyhedron with 4 side is in fact also a tetrahedron. Hence, since the statement states that they are different, any different solid must have more since the tetradron has the least number of sides of any type of polyhedron.

The nitpicking here is what consitutes a different type?
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There are two solids 1 & 2. These solids are not of the 26 Jul 2010, 07:09
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i believe C is the answer because with A, the second solid can be a sphere...so we need to define solid 2...pls correct me if I am wrong...



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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Thank you for understanding, and happy exploring!
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