other govt exam BARC DAE Junior Purchase Assistant / Junior Storekeeper Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
If p, q and r are positive integers, Also the relation among them is given in below equations:
pq + p + q = 215
qr + q + r = 161
pr + p + r = 107
Find the value of (q - r)/(p - r).
1
9
2
6
3
3
4
12