engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Algebra Linear Equation in 2 or more Variables
A two digit number is 3 less than 7 times the sum of digits. If 36 is subtracted from the number, the digits interchange their positions. The sum of digits of the number is
1
11
2
14
3
17
4
18