ഒരു ക്ലാസിലെ ആൺകുട്ടികളും പെൺകുട്ടികളും തമ്മിലുള്ള അംശബന്ധം 6 : 5 ആണ്. ക്ലാസിൽ 340 പെൺകുട്ടികളാണ് ഉള്ളതെങ്കിൽ ക്ലാസിലെ ആകെ കുട്ടികളുടെ എണ്ണമെത്ര ?
A487
B748
C408
D740
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