If a : b = 2 : 3, b : c = 4 : 5 and c : d = 6 : 7, then find a : b : c : d. यदि a : b = 2 : 3, b : c = 4 : 5 और c : d = 6 : 7 है, तो a : b : c : d ज्ञात कीजिए।
A
16:24:30:35 (16:24:30:35)
B
16:24:30:36 (16:24:30:36)
C
8:12:15:21 (8:12:15:21)
D
16:20:30:35 (16:20:30:35)
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Correct Answer 16:24:30:35
Explanation
Multiply to unify b and c: a:b = 16:24, b:c = 24:30, c:d = 30:35. Result: 16:24:30:35.