Question

9. Make the greatest and smallest four digit numbers
using any four different digits with the conditions
given.
(a) 4 at tens place (b) 9 at hundreds place
(c) 7 at ones place (d) 1 at thousand place​

Answer 1

Greatest no. Smaller no

a-9849. 1240

b-8976. 1923

c-9867. 1237

d-1987. 1234