In a group of 15 , 7 have studied Latin , 8 have studied Greek, and 3 have not studied either . How many of these studied both Latin and Greek ?

Created: 6 years ago | Updated: 3 years ago

Updated: 3 years ago

None of these

Bangladesh Bank Bangladesh Bank - Assistant Director - 2009 গণিত সেট (Set)

ব্যাখ্যা

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Best Ans:

( 7 - x) + x + ( 8 - x) + 3 = 15

18 - x = 15

x = 18 - 15

x = 3

6 years ago

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Md Azizur Rahman

Founder of Satt

সেট (Set)

যদি দুইটি সন্নিহিত কোণের সমষ্টি ১৮০° হয়, তাহলে কোণ দুইটিকে পরস্পরের সম্পূরক কোণ বলে

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