MBA Exam

Ten books are arranged in a row on a book shelf .A student has to select three out of these ten books in such a way that no two books selected by him must have been lying adjacently .In how many ways can he make the selection??share ur approach??

1) 56
2) 64
3) 72
4) none of these

Read Solution (Total 1)

solution will be 8C3 = 56 ways :)
11 years agoHelpfull: Yes(0) No(0)

MBA Other Question

A sum amounts to three times it initial amount in three years, at a certain rate of interest, compounded annually. If in nine years, the amount becomes K times the initial amount, then K isP.S: I am sitter, solve me

1) 26
2) 27
3) 9
4) 81
What is the probability that the product of two integers chosen at random has the same unit digit asthe two integers?

1) 3/10
2) 1/25
3) 4/15
4) 7/15