NDA || Mathematics || Algebra || Permutation_and_Combination || Quiz

Three-digit numbers are formed from the digits 1, 2 and 3 in such a way that the digits are not repeated. What is the sum of such three-digit numbers?

The number of different words (eight-letter words) ending and beginning with a consonant which can be made out of the letters of the word ‘EQUATION’ is

Find the remainder when  is divided by 13

Find the number of ways in which letters of word ALTERNATE can be arranged such that no two vowels are together is

What is  equal to?