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ഒരു ക്ലാസ്സിലെ പെൺകുട്ടികളുടെയും ആൺകുട്ടികളുടെയും എണ്ണം 7:5 എന്ന അംശബന്ധത്തിലാണ്. ആൺകുട്ടികളുടെ എണ്ണത്തെക്കാൾ 8 കൂടുതലാണ് പെൺകുട്ടികളുടെ എണ്ണം എങ്കിൽ ക്ലാസ്സിലെ ആൺകുട്ടികളുടെ എണ്ണം എത്ര?

A28

B26

C20

D35

Answer:

C. 20

Read Explanation:

പെൺകുട്ടികളുടെ എണ്ണം = 7x ആൺകുട്ടികളുടെ എണ്ണം = 5x ആൺകുട്ടികളുടെ എണ്ണത്തെക്കാൾ 8 കൂടുതലാണ് പെൺകുട്ടികളുടെ എണ്ണം 7x - 5x = 8 2x = 8 x = 4 ആൺകുട്ടികളുടെ എണ്ണം = 5x = 20


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