railway RPF SI Mock Test Series 2024 Quantitative Aptitude Ratio and Proportion Compound Ratios

A ∶ B = 4 ∶ 5 এবং B ∶ C = 7 ∶ 9 হলে, A ∶ B ∶ C এর মান নির্ণয় করুন।

1
28 ∶ 35 ∶ 45
2
25 ∶ 35 ∶ 49
3
28 ∶ 30 ∶ 49
4
25 ∶ 30 ∶ 45
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