Answer to DQ - 14 : Schrodinger's Quantum Cat
Each of you get 125 INR Good job!
DQ - 15 by Neel: PM Neel your answer!
Find a nine digit number such that:
1) It consists of 1-9
2) Each number is used only once
3) First digit is divisble by 1, first 2 digits are divisible by 2, first 3 digits are divisible by 3, so forth
eg. 4382016795 --> here 438 is divisible by 3.
a) Fifth position is 5
b) Since the sum of 9 digit number is 45 which is divisible by 9, the 9th digit shall be divisible by 9 by default. no need to break head on that
c) Every even digit is filled by even numbers and odd digit is filled by odd numbers
I am sure you will google, but try to work out b4 googling.
Send in your answers by tomorrow's erep day change to NEEL. Good luck!
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