Capital English alphabet has 11 symmetric letters that appear same when looked at in a mirror. These letters are A, H, I, M, O, T, U, V, W, X, and Y. How many symmentric three letter passwords can be formed using these letters?

How many words comprising of any three letters of the word UNIVERSAL can be formed

Which letters of the English alphabet form images that look the same as the original letters?

Which letters of the English alphabet form images that look the same as the original letters?

Use the given letters to write the answer: For the parade there are y students in each row and x such row are formed. Then, how many students are there for the parade in all?

How many words can be formed from the letters of the word COURTESY, whose first letter is C and the last letter is Y?

How many words (with or without meaning) can be made from the letters of the word MONDAY, assuming that no letter is repeated if (i) 4 letters are used at a time (ii) All letters are used at a time (iii) All the letters are used but the first is vowels.

How many different words are formed if the letters R is used thrice and letters S and T are used twice each?