Question

The smallest four digit number with different four digit number is called a –

Answer 1

Answer:

The condition for a 4 digit number of four different digits is that 5 is always at its tens place. The greatest 4 digit number will be 9857 and the smallest 4 digit number will be 1052.

Step-by-step explanation:

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Answer 2

Answer:

For example, 4444 × 1 = 4,444; 2345 × 1 = 2345. The smallest four-digit number, using all different digits, is 1023. The smallest four-digit number, using only one-digit is 1,111.