permutations and combinations

Question

q.1, the number of three digit numbers of the form XYZ such that X<Y AND Z<OR=Y is? q.2, three digit numbers in which the middle one is a perfect square are formed using the digits 1 to 9 .their sum is? q.3,20 persons are to be seated arpound a circular table .out of these 20 two are brothers then no.of arrangements in which there will be atleast three persons between the brother is?

Sudheesh Singanamalla · Accepted Answer

the question is incomplete , please repost

Algebra> permutations and combinations...

q.1, the number of three digit numbers of the form XYZ such that X

kotesh marikala , 14 Years ago

Sudheesh Singanamalla

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Algebra> permutations and combinations...

q.1, the number of three digit numbers of the form XYZ such that X

kotesh marikala , 14 Years ago

Sudheesh Singanamalla

LIVE ONLINE CLASSES

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