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GRENDONIAN | 16:40 Fri 27th May 2005 | Quizzes & Puzzles
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what is the hcf of 10,15.and 20?

what is the lcm of 10,15,and 20?

what is the name of a solidwith 20 plane faces?

what is the next number in the series 216,125,64?

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hcf = 5

lcm = 60

next in the series is 27 (perfect cubes)

The solid is an icosahedron

icosaedron has 20 faces I believe
The solid - icosahedral (?)
Sorry,  I used the adjective!!

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