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FROM 1 O'CLOCK IN THE MORNING TILL 12 NOON , HOW MANY TIMES WILL THE PENDULUM OF WALL...

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pankajgarg9696 | Student, Grade 10 | (Level 2) Honors

Posted September 21, 2011 at 10:14 AM via web

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FROM 1 O'CLOCK IN THE MORNING TILL 12 NOON , HOW MANY TIMES WILL THE PENDULUM OF WALL CLOCK STRIKE ?

A) 70       B)75        C)78         D)12

 

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taylormath | High School Teacher | (Level 2) Adjunct Educator

Posted September 21, 2011 at 11:27 AM (Answer #1)

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I am assuming that this question is wanting the number of times a clock will strike from 1 AM to 12 Noon.  When a traditional clock reads 1 o'clock, it will strike once.  When it reads 2 o'clock, it will strike twice.  The pattern continues until 12 o'clock when the clock strikes twelve times.  How many times will the clock strike from 1 AM to 12 Noon?  The answer is the sum of all the hours from 1 to 12.

1+2+3+4+5+6+7+8+9+10+11+12 = 78

The clock will strike 78 times. Answer choice C).

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