If a : b = 1/2 : 3/8, b : c = 1/3 : 5/9 and c : d = 5/6 : 3/4, then find the ratio a : b : c : d. यदि a : b = 1/2 : 3/8, b : c = 1/3 : 5/9 और c : d = 5/6 : 3/4 है, तो a : b : c : d का अनुपात ज्ञात कीजिए।
A
8:6:10:9 (8:6:10:9)
B
4:3:10:9 (4:3:10:9)
C
6:8:9:10 (6:8:9:10)
D
8:6:10:12 (8:6:10:12)
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Correct Answer 8:6:10:9
Explanation
a:b = 4:3, b:c = 3:5, c:d = 10:9. Combined: A:B:C = 4:3:5. C is common with C:D(10:9). Multiply A:B:C by 2 => 8:6:10. So a:b:c:d = 8:6:10:9.