How many numbers greater than 1000000 can be formed by using the digits 1, 2, 0, 2, 4, 2, 4?
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
Here we are available with 7 – digits, one 1, three 2’s, one 0 and two 4’s.
Also ,the number 1000000 has 7 digits and we want to form numbers greater than 1000000. So, the required numbers should also be of 7 digits.
The number of all type of arrangements possible with the given digits is
Now these arrangements also include the cases when 0 is at extreme left position which makes the number a 6 digit one. The number of such numbers is
Excluding these numbers, we get the required number of numbers = 420 – 60 = 360.
Answered by | 4th Jun, 2014, 03:23: PM
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