How Many Holes In T - Shirt ? #shorts | Puzzles | Zestful Paheli |

How many octahedral and tetrahedral holes are present per unit cell in a face centred cubic arrangement of atoms ?

In how many ways can 10 identical shirts and 7 identical trousers be placed in a row on a shelf so that two trousers may not be together ?

How many different words can be formed with the letters of the word 'CAPTAIN'? In how many of these C and T are never together ?

How many permutations can be made out of the letters of the word TRIANGLE ? How many of these will begin with T and end with E ?

How many permutations can be made out of the letters of the word triangle.How many of these will begin with t and end with e?