engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Quantitative Aptitude Ratio and Proportion Compound Ratios

যদি X ∶ Y = 9 ∶ 5 হয়, তাহলে  (X2 + Y2) ∶ (X2 – Y2) এর মান কত ?

1
63 ∶ 35
2
46 ∶  33
3
53 ∶ 28
4
36 ∶ 13
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