a) 252
b) 240
c) 300
d) 340
Answer: a
Explanation: Since, there are 5 cups of each kind, prepared with milk or tea leaves added first, are identical hence, total number of different people ways of presenting the cups to the expert is,
$$\eqalign{
& = \frac{{10!}}{{5! \times 5!}} \cr
& = 252 \cr} $$
Related Posts
How many alphabets need to be there in a language if one were to make 1 million distinct 3 digit initials using the alphabets of the language ?
A committee is to be formed comprising 7 members such that there is a simple majority of men and at least 1 woman. The shortlist consists of 9 men and 6 women. In how many ways can this committee be formed?
A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel?
In how many ways can the letters of the word EDUCATION be rearranged so that the relative position of the vowels and consonants remain the same as in the word EDUCATION?
12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seated in these chairs so that the chairs numbered 1 to 8 should be occupied and no two men occupy adjacent chairs. Find the number of ways the task can be done.
Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:
If 5×nP3 = 4×(n+1)P3,find n?
Join The Discussion