Question

the sum of the digits of a number consisting of three digits is 12,the middle dogit is equal to the half the sum of the other two. if the order of the digits is reversed,the no is diminished by 108 find no
​

Answer 1

(4) and (5) , 2x=10=> x=5 and substitute value of x in equation (4), 5-z=2=> z=3. Then the number is 5(100)+4(10)+3= 543.