If A : B = 7 : 9, and B : C = 5 : 7 , then A : C =
A5 : 9
B9 : 5
C7 : 5
D9 : 7
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ഒരു ക്ലാസ്സിലെ ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള അംശബന്ധം 6 : 5 ആണ്. ആ ക്ലാസ്സിൽ 340 പെൺകുട്ടികളാണ് ഉള്ളതെങ്കിൽ ക്ലാസ്സിലെ ആകെ കുട്ടികളുടെ എണ്ണമെത്ര ?
A:B= 2:3, B:C= 3:4 ആയാൽ A:B:C എത്ര?
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