Consider the number 1234567891011...484950.
(1) How many digits are in the number?
(2) Without rearrangement of digits, what is the smallest number possible if 75 digits are removed?
You can not have a leading zero.
(3) Without rearrangement of digits, what is the largest number possible if 75 digits are removed?
Solution to the Problem:
(1) 91 digits(2) 1,000,012,344,444,440
(3) 9,999,454,647,484,950
The 91 digits are:
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
Correctly solved by:
| 1. Veena Mg | Bangalore, Karnataka, India |
| 2. Hari Kishan | Meerut, Uttar Pradesh, India |
| 3. Colin (Yowie) Bowey | Beechworth, Victoria, Australia |
| 4. K M Thomas and Ivy Joseph | Pune, Maharashtra, India |
| 5. Kelly Stubblefield | Mobile, Alabama |
| 6. Brooke German | Marshall, Wisconsin |