railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Ratio and Proportion Compound Ratios

ਜੇਕਰ a : (b + c) = 1 : 3 ਅਤੇ c : (a + b) = 5 : 7, ਤਾਂ b : (c + a) ਦਾ ਮੁੱਲ ਲੱਭੋ।

1
1:2
2
3 : 4
3
4:5
4
3:5
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