Home
Class 10
MATHS
How many 3-digits numbers can be formed ...

How many 3-digits numbers can be formed using the digits (2,4,5,7,8,9), if no digit occurs more than once in each number?

A

80

B

90

C

120

D

140

Text Solution

Verified by Experts

Here, we have 6 digit .
Since we have to find 3-digit numbers, the first digit can be filled in 6 ways, second digit can be filled in 5 and thrid digit can be filled in 4 ways.
(`because` No digit is repeated)
`therefore` The required number of digits
`=6xx5xx4=120`.
Promotional Banner

Similar Questions

Explore conceptually related problems

How many two digit numbers can be formed using the digits (1,2,3,4,5) if no digit occurs more than once in each number?

How many five-digit members can be formed using the digits (5,6,3,9,2) ? (no digit can occur more than once in any number)?

How many 6-digit numbers can be formed by using the digits 4, 5, 0, 3, 4, 5?

How many three-digit numbers that are divisible by 5, can be formed, using the digit 0,2,3,5,7, if no digit occurs more than once in each number?

How many six digit numbers can be formed with the digits 9,5,3,1,7,0?

How many six digit numbers can be formed with the digits 9,5,3,1,7,0?

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