Question

A garden centre sells 10 different varieties of rose bush. A gardener wishes to buy 6 rose bushes,
all of different varieties.

(i )Calculate the number of ways she can make her selection.
Of the 10 varieties, 3 are pink, 5 are red and 2 are yellow, Calculate the number of ways in which
her selection of 6 rose bushes could contain

(ii) no pink rose bush,

(iii) at least one rose bush of each colour.​

Answer 1

Answer:

A gardener wishes to buy 6 rose bushes, all of different varieties. (a) Calculate the number of ways she can make her selection. Of the 10 varieties, 3 are pink, 5 are red and 2 are yellow. Calculate the number of ways ...