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CBSE Class 11-science Answered

IN A CITY  THEIR ARE PEOPLES WITH A SET  OF TEETH. NO PERSON IS WITHOUT TOOTH. NO PERSON HAS MORE THAN 32 TEETH. THEN WHAT IS THE POPULATION OF THE CITY?
Asked by ramkishoreagrawal50 | 07 Dec, 2015, 06:39: PM
answered-by-expert Expert Answer

 

O u t space o f space t h e space 32 space p l a c e s comma space a space p e r s o n space c a n space h a v e space o n e space t o o t h space i n space C presuperscript 32 subscript 1 space w a y s. S i m i l a r l y comma space a space p e r s o n space c a n space h a v e space 2 space t e e t h space i n C presuperscript 32 subscript 2 space w a y s. S o space t h e space t o t a l space n u m b e r space o f space p e o p l e space equals space space C presuperscript 32 subscript 1 plus C presuperscript 32 subscript 2 plus C presuperscript 32 subscript 3 plus..... plus C presuperscript 32 subscript 32 equals 2 to the power of 32 minus 1

Answered by | 07 Dec, 2015, 06:46: PM

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