"What is the minimum number of four digits formed by using the digits 2, 4, 0, 7?
Channel: Doubtnut
Date: 05/04/2020

"What is the minimum number of four digits formed
 by using the digits 2, 4, 0, 7?
2047 
 (b) 2247 (c) 2407 
 (d) 2470"