Four alphabetes M,P,C and E, one in each were purchased from a brass ware house. How many ordered pairs of alphabets, to be used as initials, can be formed from them?

Four alphabets E, K, S and V, one in each were purchased from a plastic warehouse. How many ordered pairs of alphabets, to be used as initials, can be formed from them ?

The English alphabet has 5 vowels and 21 consonants. How many words with two different vowels and 2 different consonants can be formed from the alphabet ?

From 4 mangoes, 5 oranges and 6 apples, how many selections of fruits can be made by taking at least one of them ?

From 2 mangoes, 3 oranges and 4 apples, how many selections of fruits can be made by taking : at least one of them?

A code word is to consist of two distinct English alphabets followed by two distinct numbers from 1 to 9. For example, PA 31 is one such code word. How many different words are possible? How many end in an odd number ?

How many words, with or without meaning, each of 2 vowels and 3 consonants, can be formed from the letters of the word DAUGHTER ?

How many words, with or without meaning, each of 3 vowels and 2 consonants, can be formed from the letters of the word ‘INVOLUTE’ ?