Find the Smallest Five-Digit Number Formed Using the Digits 2, 3, 4, 0, and 5
अंक 2, 3, 4, 0, 5 से बनी पाँच अंकों की सबसे छोटी संख्या ज्ञात कीजिए।
Find the smallest five-digit number formed using the digits 2, 3, 4, 0, and 5.
Options / विकल्प:
- (a) 23045
- (b) 20435
- (c) 02345
- (d) 20345
Solution / समाधान
Given digits: 0, 2, 3, 4, 5
To form the smallest five-digit number, we need to consider the following:
- The first digit cannot be 0 because then the number would not be a five-digit number.
- Choose the smallest non-zero digit for the first place, which is 2.
- Arrange the remaining digits in ascending order to get the smallest possible number: 0, 3, 4, 5.
Therefore, the smallest five-digit number formed is: 20345
Answer / उत्तर
✅ (d) 20345
Smallest five-digit number = 20345
सबसे छोटी पाँच अंकों की संख्या = 20345
Quick Revision / Key Points
- The first digit of a five-digit number cannot be zero.
- To get the smallest number, place the smallest non-zero digit first.
- Arrange the remaining digits in ascending order.
- Using digits 0, 2, 3, 4, 5, the smallest five-digit number is 20345.
For related problems, you may refer to: In a five-digit number, hundreds digit is 2, units digit is twice of hundreds digit, thousands digit is 0. If product of digits is 240, find the number.