Mathematical Puzzles: How many 5-letter words can be formed using 3 letters if repetition of letters is allowed and each letter appears at least once?

18 июл. 2019 г. · Best shown with an example: There are 35 3 5 5-letter words made from a set of 3 letters. We then choose 1 letter ((31)=3 ( 3 1 ) = 3 ...

13 февр. 2016 г. · Living room. Full moon. Real estate. Ice cream. Hot dog. Waistcoat; Railroad; Mailbox; Sunflower; Breakfast. Compound words can be written ...

23 окт. 2015 г. · Well, for the standard riddle there are two words like that, 'bookeeper' and 'bookkeeping' both have three consecutive double letters. There's ...

14 июн. 2017 г. · Here are some words with a letter repeated three times: · Adamant, bubble, civility, divisible, effective, googling, horror, idiotic, Lilliput, ...

23 сент. 2022 г. · Hundreds of words have 3 consecutive vowel letters. Some in fact have as many as 5: e.g. queueing, miaoued, cooeeing ("making ...

13 июл. 2021 г. · Note: You CANNOT have “different 5-letter words” with only 3 letters, A, B, C. You must either use 2 more letters, such as D and E, ...

24 февр. 2018 г. · Here are some words with a letter repeated three times: Adamant, bubble, civility, divisible, effective, googling, horror, idiotic, Lilliput, ...

25 июл. 2022 г. · Common examples include onion, sense, magma, algal, salsa, mamma, edged, shush and verve. Rarer examples include zanza (a type of African thumb ...

9 мая 2016 г. · There are 5 letters and we are suppose to find the possible combinations of 3 letters. This can be done in 5P3 = 5!/(5–3)! = 5!/2! = 5*4*3*2*1/2 ...