Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Ratio and Proportion
If (a + b - c) : (b + c - a) : (a + c - b) = 6 : 5 : 7, then \(\frac{1}{a}:\frac{1}{b}:\frac{1}{c}\) is equal to
1
156 : 132 : 143
2
132 : 156 : 143
3
156 : 143 : 132
4
143 : 156 : 132