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Nets of a Cuboid

41. A person ...

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41. A person throws a dice, one the common cube and the other regular tetrahedron, the number on the lowest face being taken in the case of a tetrahedron. The probablity that the sum of numbers thrown is not less than 5 is:-

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Q. A person throws two dice, one the common cube, and the other a regular tetrahedron, the number on the lowest face being taken in the case of the tetrahedron; what is the chance that the sum of the numbers thrown is not less than

5

Q. A person throws two dice, one the common cube, and the other a regular tetrahedron, the number on the lowest face being taken in the case of the tetrahedron; then find the probability that the sum of the numbers appearing on the dice is

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Q. A uniform unbised die is constructed in the shape of a regular tetrahedron with faces numbered

2, 2, 3

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and the score is taken from the face on which the die lands. If two such dice are thrown together, find the probability of scoring.
(i). exactly

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successive throws
(ii) more than

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Q. Two die are thrown. Find the probability that the number on the upper face of the first dice is less than the number on the upper face of the second dice.

Q. In a simultaneous throw of a pair of dice, find the probability of getting:
(i) 8 as the sum
(ii) a doublet
(iii) a doublet of prime numbers
(iv) a doublet of odd numbers
(v) a sum greater than 9
(vi) an even number on first
(vii) an even number on one and a multiple of 3 on the other
(viii) neither 9 nor 11 as the sum of the numbers on the faces
(ix) a sum less than 6
(x) a sum less than 7
(xi) a sum more than 7
(xii) at least once
(xiii) a number other than 5 on any dice.

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