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Q1

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Senior Manager
Joined: 30 Aug 2003
Posts: 328

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05 Jan 2004, 14:21
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Any idea Pls include reasoning along with all answer posts.

How many numbers between 100 and 300 are divisible by 17?

a) 11
b) 10
c) 12
d) 13

My reasoning was: 100/17 yields quotient 5; 300/17 yields quotient 17; subtract 5 from 17 yields 12. (However, that is not the official answer)

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Director
Joined: 28 Oct 2003
Posts: 501

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Location: 55405

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05 Jan 2004, 14:32
102 is the first number divisible by 17. Instead of using a formula here, I just bang them out, since 17 is big compared to the range of 200...

102, 119, 136, 153, 170, 187, 204, 221, 238, 255, 272, 289

12

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Director
Joined: 28 Oct 2003
Posts: 501

Kudos [?]: 35 [0], given: 0

Location: 55405

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05 Jan 2004, 14:35
You could also take the highest divisible # less than 100 (85)
and the highest divisible # less than 300 (289)

Take the difference 289-85=204 divide by 17 and get 12.

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Senior Manager
Joined: 30 Aug 2003
Posts: 328

Kudos [?]: 27 [0], given: 0

Location: BACARDIVILLE

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05 Jan 2004, 14:39
cheers

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05 Jan 2004, 14:39
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