If A : B = 2 : 3, B : C = 5 : 8, C : D = 6 : 7, then A : D =
(a) 2 : 7
(b) 7 : 2
(c) 5 : 8
(d) 5 : 14
WBBSE
Class X
Mathematics
Ratio And Proportion
01 Mark
2022
(d) 5 : 14
Explanation:
\text{A}\over \text{B} × \text{B}\over \text{C} × \text{C}\over \text{D}
= \frac{2 × 5 × 6}{3 × 8 × 7}
= 5 : 14
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