If A : B = 4 : 5, B : C = 7 : 8 find A : B : C =
A28 : 35 : 40
B32 : 35 : 28
C28 : 32 : 40
D35 : 40 : 32
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ഒരു ക്ലാസിൽ ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള അംശ ബന്ധം 5 : 4 ആണ്. ആ
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a : b = 2 : 3, b : c = 4 : 5, c : d = 6 : 7 ആണെങ്കിൽ (a + b + c) : (b + c + d) എത്രയായിരിക്കും?