The soles of shoes get worn out after repeated use.

Word of length 10 are formed using the letters A,B,C,D,E,F,G,H,I,J. Let x be the number of such words where no letter is repeated; and let y be the number of such words where exactly one letter is repeated twice and no other letter is repeated. The, y/(9x)=

STATEMENT -1 : Friction always opposes motion . STATEMENT - 2 : Lesser the friction on a surface it is easier to walk on it. STATEMENT -3 : Soles of shoes gets flat due to friction .

The following bar graph represents the data for different sizes of shoes worn by the students in a school. Read the graph and answer the following questions. (i)What are the different numbers of the shoe-worn by the students? (ii)What is the number of students wearing shoe No. 6? (iii)Which shoe number is worn by the maximum number of students? (iv)Which shoe number is worn by the minimum number of students?

The cells which destoy worn out white and red bood corpusles ,bacteria and other microorganism passing through liver are

The toe shoes of professional ballerinas often wear out in less than a year . At a ballet school there are 20 students , all of whom bought new toe shoes of different brands and at varying prices. They kept track of how long their shoes lasted. Each point on the graph below shows the duration of a ballet student's toe shoes plotted against their price . Of the five labeled points , which one corresponds to the toe shoes that cost the greatest amount per month of use ?

How many 3 letter code combinations are possible using the first 10 letters of English alphbets if: i. no letter can be repeated, ii. letters can be repeated.

The clear liquid which is poured out after sedimenatation…………

How many 4-letter orderings , where no letters are repeated can be made using the letters of the word BADGERS ?

How many 4 letter code can be formed using the first 10 letters of the english alphabet if no letter can be repeated.

A bowling alley charges a flat $6.50 fee for shoe and ball rental plus $3.75 per game and 6.325 percent sales tax . If each person in a group of seven pwople has $20 to spend on a bowling outing, and at least some members of the group must rent shoes and a ball, which inequality best describes this situation, given that the number of shoe and ball rentals is represented by r and the number of games is represented by g ?