Ram and Shyam were playing. Ram asks Shyam to form numbers with the digits 4,3, 8 and 1. He gives him three different cases as
i. Form four digit greatest number with no repetition of digits.
ii. Form four digit greatest number where a digit can be repeated twice.
iii. Form smallest four digit number where repetition of digits is allowed.
So the numbers formed in the three cases will be:
i-8431, ii-8843, iii-1111
Four digit greatest number with no repetition of digits, is 8431
Four digit greatest number where a digit can be repeated twice 8844
Smallest four digits where repetition of digits is allowed - 1111