Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Ratio and Proportion Fourth Proportional

যদি p ∶ q = 4 ∶ 5, q ∶ r = 3 ∶ 4 এবং r ∶ s = 2 ∶ 5, তাহলে p ∶ s হল:

1
2  ∶  5
2
6  ∶  25
3
5  ∶  2
4
25  ∶  6
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