Home
Class 11
MATHS
How many 4-digit numbers can be formed b...

How many 4-digit numbers can be formed by using the digits 1 to 9 if repetition of digits is not allowed?

Text Solution

Verified by Experts

The correct Answer is:
3024
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    NCERT BANGLISH|Exercise EXERCISE 7.1|6 Videos

  • PERMUTATIONS AND COMBINATIONS

    NCERT BANGLISH|Exercise EXERCISE 7.2|7 Videos

  • MATHEMATICAL REASONING

    NCERT BANGLISH|Exercise Miscellaneous Exercise on Chapter 14|16 Videos

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    NCERT BANGLISH|Exercise EXERCISE - 4.1|24 Videos

Similar Questions

Explore conceptually related problems

How many 4-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

The sum of all four-digit numbers that can be formed by using the digits 2, 4, 6, 8 (when repetition of digits is not allowed) is a. 133320 b. 5333280 c. 53328 d. none of these

How many 5 digit numbers can be formed using the digits 0,2,5,6,7 without repeating the digits?

How many four-digit numbers can be formed by using the digits 1, 2, 3, 4, 5, 6, 7 if at least one digit is repeated.

How many numbers can be formed from the digits 1, 2, 3, 4 when repetition is not allowed?

How many 4-digit numbers can be formed from the digits 1, 1, 2, 2, 3, 3,4, 5?

How many numbers lying between 100 and 1000 can be formed with the digits 0, 1, 2, 3, 4, 5, if the repetition of the digits is not allowed?

The number of five-digit numbers which are divisible by 3 that can be formed by using the digits 1,2,3,4,5,6,7,8 and 9 , when repetition of digits is allowed, is (a) 3^(10) (b) 4.3^(8) (c) 5.3^(8) (d) 7.3^(8)

The number of 10 digit numbers formed by using the digits 1&2 is