CBSE Class 11-science Answered

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.}