Home
Class 11
MATHS
Serial numbers for an item produced in a...

Serial numbers for an item produced in a factory are to be made using two letters followed by four digits (0 to 9). If the letters are to be taken from six letters of English alphabet without repetition and the digits are also not repeated in a serial number, how many serial numbers are possible?

Text Solution

Verified by Experts

The correct Answer is:
`151200`
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (A) MULTIPLE CHOICE QUESTIONS|25 Videos
  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS (B) FILL IN THE BLANKS|10 Videos
  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise EXERCISE 7 (j) Short Answer Type Questions|10 Videos
  • MOCK TEST

    MODERN PUBLICATION|Exercise SECTION - D|5 Videos
  • PROBABILITY

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

Similar Questions

Explore conceptually related problems

Serial numbers for an item produced in a factory are to be made using two letters followed by four digits (0 to 9). If the letters are to be taken from twenty six letters of English alphabet without repetition and the digits are also not repeated in a serial number, how many serial numbers are possible?

How many codes containing 3 letters can be formed with the 9 letters of English alphabet if repetition is not allowed?

How many 4 - letter codes can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?

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

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

Write all the possible three-digit numbers using the digits 5, 0 and 7 without repetition of the digits.

Find the number of 5 lettered palindromes which can be formed using the letters from the English alphabets

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.