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

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.

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

The number of linear permutations of n' things in which there are Plike thing of one kind,g like things of second kinds 'like things of third kind and the rest are different is (n!)/(p!q!r!) The number of ways of arranging the letter of the word ARRANGE so,that.The two R' come together is

The total number of ways in which a selection(one or more) can be made of p+q+r things of which p are all alike, q all alike, r all alike is ( p + 1 ) ( q + 1 ) ( r + 1 )-1 II: The number of permutations of 'n' things taken together when 'p' of the things are alike of one kind, 'q' of them alike of a second kind, 'r' of them alike of a third kind and the rest all different is (n!)/(p!q!r!3!) Which of the above statement is true?

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 .

There are 4n things of which n are alike and the rest different. Find the number of permutations of 4n things taken 2n at a time, each permutation containing the n like things.

If there are 5 alike pens, 6 alike pencils and 7 alike erasers, find the number of ways of selecting any number of (one or more) things out of them.