• 1. 
    Take two digits, say 1 and 2. Make the greatest 4-digit number using both the digits equal number of times.

  • 1122
  • 2112
  • 2121
  • 2211
  • 2. 
    Take two digits, say 3 and 4. Make the smallest 4-digit number using both the digits equal number of times.

  • 3344
  • 4433
  • 4343
  • 4334
  • 3. 
    Take two digits 0 and 1. Make the greatest 4-digit number using both the digits equal number of times.

  • 1100
  • 1001
  • 1010
  • None of these
  • 4. 
    Take two digits, 0 and 1. Make the smallest 4-digit number using both the digits equal number of times.

  • 1001
  • 1010
  • 1100
  • None of these
  • 5. 
    Make the greatest 4-digit number using any four different digits with the condition that 5 is at ones place.

  • 9875
  • 9857
  • 9758
  • 9785
  • 6. 
    Make the smallest four-digit number using any four different digits such that 5 is at ones place,

  • 1025
  • 1205
  • 1250
  • None of these
  • 7. 
    The greatest 2-digit number is

  • 98
  • 99
  • 79
  • 89
  • 8. 
    The smallest 2-digit number is

  • 31
  • 21
  • 11
  • 10
  • 9. 
    The greatest 3-digit number is

  • 991
  • 997
  • 999
  • 998
  • 10. 
    The smallest 3-digit number is

  • 100
  • 101
  • 111
  • none of these
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