railway RRB Junior Stenographer (Ministerial and Isolated Categories) Mock Test Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
The sum of three digits of a number is 15. If 198 is added to the number, the digits in the units and hundreds place are interchanged. Also, the digit at tens place is mean of the other two digits. What is the number?
1
654
2
456
3
753
4
357