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

Five letters F, K, R, T and V one in each were purchased from a plastic warehouse. How many ordered pairs of letters, 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 ?

how many 4 letter words can be formed from the word MORADABAD?

How many 4 letter words can be formed from the word MATHEMATICS?

Seven cards each bearing a letter , can be arranged to spell the word 'DOUBLES' .How many three - letter code- words can be formed from these cards ?

How many words can be formed with the letters of the word 'ARIHANT' by rearranging them?

How many words can be formed with the letters of the word 'ARIHANT' by rearranging them?

How many words can be formed with the letters of the word 'ARIHANT' by rearranging them?

How many words can be formed with the letters of the word 'ARIHANT' by rearranging them?

How many words can be formed with the letters of the word 'ARIHANT' by rearranging them?