Question

Ram and Shyam are playing. Ram asks Shyam to form numbers with the digits 4, 3, 8 and 1. He gives him three different cases which are

i) Form greatest four digit number with no repetition of digits.
ii) Form greatest four digit 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

• A. i-8431, ii-8443, iii-1111
• B. i-8431, ii-8843, iii-1111
• C. i-8413, ii-8344, iii-1348
• D. i-8431, ii-8334, iii-1341

Answer 1

The correct option is B

i-8431, ii-8843, iii-1111

i) Greatest four-digit number with no repetition of digits is 8431
ii) The greatest four-digit number where a digit can be repeated twice is 8844
iii) Smallest four digits where repetition of digits is allowed is 1111