Subject :IMO Class : Class 4
The greatest four digit number that can be formed by using the digits 3, 5 and 0 (using each digit at least once) when multiplied by 15 gives _________.
A79500
B82995
C83295
D82950
Your answer is wrong.bcoz no repeat..is allowed.mention in question.but u done with reapat
Ans 1:
Class : Class 7
you should use the number atleast once. so the greatest no u can make from the numbers provided is 5530. then multiply it with 15. you get the answer.
Ans 2:
Class : Class 5
You have wrong you have.told that (using one digit at least once)but you have used 5 double time