XI.d… · Web viewHow many different words can be formed with the letters of the word . HARYANA....
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A Senior Secondary School Sector- 21, Panchkula. Ph: 0172- 2590514 Assignment 10 Subject: Mathematics Class: XI Date: 22-1-2019 Q1. How many words of three distinct letters of the English alphabets are there? Q2. If letters of the word ‘RANDOM’ are written in all possible orders abd then written in a dictionary. Find the rank of ‘RANDOM’. Q3. How many different words can be formed with the letters of the word HARYANA. Q4. Five boys and five girls form a line with the boys and girls alternating. Find the number of ways of making the line. Q5. How many four-letter words can be formed using the letters of the word ‘INEFFECTIVE’. Q6. In how many ways can 9 examination papers be arranged so that the best and the worst papers are never together? Q7. How many diagonals are there in a polygon with n sides? Q8. In how many of arrangements of the word HARYANA, H and N are together?
Transcript of XI.d… · Web viewHow many different words can be formed with the letters of the word . HARYANA....
A Senior Secondary School Sector- 21, Panchkula. Ph: 0172- 2590514
Assignment 10 Subject: Mathematics Class: XI
Date: 22-1-2019
Q1. How many words of three distinct letters of the English alphabets are there?
Q2. If letters of the word ‘RANDOM’ are written in all possible orders abd then written in a dictionary. Find the rank of ‘RANDOM’.
Q3. How many different words can be formed with the letters of the word HARYANA.
Q4. Five boys and five girls form a line with the boys and girls alternating. Find the number of ways of making the line.
Q5. How many four-letter words can be formed using the letters of the word ‘INEFFECTIVE’.
Q6. In how many ways can 9 examination papers be arranged so that the best and the worst papers are never together?
Q7. How many diagonals are there in a polygon with n sides?
Q8. In how many of arrangements of the word HARYANA, H and N are together?
