A code word is to consist of two distinc...

A code word is to consist of two distinct English alphabets followed by two distinct numbers from 1 to 9. For example, PA 31 is one such code word. How many different words are possible? How many end in an odd number ?

Topper's Solved these Questions

PERMUTATIONS AND COMBINATIONS
MODERN PUBLICATION|Exercise EXERCISE|319 Videos
MATHEMATICAL REASONING
MODERN PUBLICATION|Exercise EXERCISE|169 Videos
PROBABILITY
MODERN PUBLICATION|Exercise EXERCISE|348 Videos

Similar Questions

Explore conceptually related problems

A code word is to consist of two English alphabets followed by two distinct numbers between 1 and 9. For example, CA23 is a code word. How many such code words are there? How many of them end with an even integer ?

The letters of the word ‘TUESDAY’ are arranged in a line, each arrangement ending with letter S. How many different arrangements are possible ? How many of them start with letter D ?

Take two digits,say2 and 3.From them make four-digit numbers,using both the digits equal number oftimes. How many different numbers can you make in all?

How many 3-letter code words are possible using the first 10 letters of English alphabet if : no letter can be repeated ?

How many 3-letter code words are possible using the first 10 letters of English alphabet if : letters are repeated ?

Find the number of arrangements of the letters of the word ‘INDEPENDENCE’. In how many of these arrangements, do the words begin with I and end in P ?

How many different car licence plates can be constructed, if the licences contain three letters of the English alphabet followed by a three digit number, if repetition are allowed?

How many 4-letter code words are possible using the first 10 letters of the English alphabet, if no letter can be repeated ?

The English alphabet has 5 vowels and 21 consonants. How many words with two different vowels and 2 different consonants can be formed from the alphabet ?

MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS-EXERCISE

Each of the six squares in the strip shown in the fig., is to be colou...
Text Solution
|
A mathematical club consists of 18 members. In how many Wars can the m...
Text Solution
|
How many arithmetic progressions with 10 terms are there whose first t...
Text Solution
|
There are 6 items in column A and 6 items in column B. A student is as...
Text Solution
|
A code word is to consist of two distinct English alphabets followed b...
Text Solution
|
How many 4-letter words, with or without meaning, can be formed out of...
Text Solution
|
Find the number of permutations of the letters of the words 'DADDY DID...
Text Solution
|
In how many different ways can the word ‘EATERAN EATER’ be arranged so...
Text Solution
|
Three married couples are to be seated in a row having six seats in a ...
Text Solution
|
A group consists of 4 girls and 7 boys. In how many ways can a team of...
Text Solution
|
A group consists of 4 girls and 7 boys. In how many ways can a team of...
Text Solution
|
A group consists of 4 girls and 7 boys. In how many ways can a team of...
Text Solution
|
A committee of 7 has to be formed from 9 boys and 4 girls. In how many...
Text Solution
|
A committee of 7 has to be formed from 9 boys and 4 girls. In how many...
Text Solution
|
A committee of 7 has to be formed from 9 boys and 4 girls. In how many...
Text Solution
|
Determine the number of 5 cards combination out of a deck of 52 cards ...
Text Solution
|
The English alphabet has 5 vowels and 21 consonants. How many words wi...
Text Solution
|
Find the number of permutations of n different things taken r at a tim...
Text Solution
|
A coin is tossed 5 times. Determine the number of ways in which 0 head...
Text Solution
|
Six X 's have to be placed in the squares of the figure below, such th...
Text Solution
|