how many different 4 letter non meaningful words can be formed by using the letters r e a and d if each letter is used only once

How many different 4-letter non-meaningful words can be formed by using the letters R, E, A and D, if each letter is used only once? => 24 or 3 or 21 or 16..

How many different 4-letter permutations can be formed using the letters in the word 'united' exactly once? => 360 or 15 or 720 or 24..

How many different 4-letter permutations can be formed from the letters in the word 'united'? => 720 or 360 or 15 or 24..

Summary - "The Letter" is a touching story of an old man who is all alone and waits for his only daughter's letter for five long years. He receives that letter only at his grave but for that he pays a price. While living a lonely, morbid life, he undergoes some strange..

A box contains all the letters of the word U N D E R S T A N D. What is the probability of selecting an 'N' first and a 'D' next, if the first letter is replaced? => 3 50 or 1 25 or 1 10 or 2 5..

Use the graph to answer the question. How many children have four letters in their names? => 4 or 3 or 5 or 6..

Use the graph to answer the question. How many children have three letters in their names? => 1 or 5 or 4 or 6..

Identify the letter to the left of R in the word LETTER . => L or T or E or R..

State whether the arrangement of 3-lettered words from the alphabets C, H, E, M, I, S, T, R, Y is a permutation or a combination. => Permutation or Combination..

An assignment required six students to write as many words as they can starting with the letter R. The number of words written by each of them were in the line plot. Find the ratio of the number of words written by Suzane to that by Caroll. => 1 : 1..