Of the 17 articles , 12 are alike and the remaining 5 are different . Find the numbers of combinations , if 13 articles are taken at a time .

Of the 14 articles , 10 are of sme type and each of the remaining is of different type . Find the number of combinations if 10 articles are taken at a time .

Out of 14 articles, 10 are of the same type and each of the remaining is of different type. Find the number of combinations if 10 articles are taken at a time ?

Out of 14 articles,10 are of same type and each of the remaining is of different types..Find the number of combinations ,if 10 articles are taken at a time.

Out of 17 comodities 12 are same type and 5 are different type. Find the number of combinations if 13 comodities are taken at a time.

Out of 14 things 10 are alike and rests are different.Find the number of combinations taken 10 at a time.

Find the number of combinations in the letters of the word STATISTICS taken 4 at a time .

If the CP of 12 articles is equal to the SP of 9 articles. Find the gain or loss.

A man buys a certain number of articles at 15 for Rs 112.50 and sells them at 12 for Rs 108. Find : the number of articles sold to make a profit of Rs 75.

There are 12 things,4 alike of one kind,5 alike and of another kind and the rest atie all different.The total number of combinations is 240.