SSC Delhi Police MTS (Civilian) Mock Test Series Quantitative Aptitude Ratio and Proportion Simple Ratios

ଯଦି A : B = 2 : 3, B : C = 4 : 5, C : D = 3 : 4 ଏବଂ A + D = 49 ହୁଏ, ତେବେ B ର ମୂଲ୍ୟ ନିର୍ଣ୍ଣୟ କର । 

1
20 
2
12 
3
21 
4
18 
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