ibps-rrb-os1 2018 · Question 42 of 74
Ratio & Proportion
28 : 11 Required ratio = (80 + 60) : 55 = 140 : 55 = 28 : 11
Source: IBPS RRB Officer Scale-I Exam 2018 (memory-based, BankAchievers) · memory-based
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