railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Algebra Linear Equation in 2 or more Variables

যদি a (a + b + c) = 126, b (a + b + c) = 147 এবং c (a + b + c) = 168 হয়, তবে (a + b + c) এর মান কত হবে? 

1
23
2
21
3
41
4
22
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