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# how many odd integers are there between 7410 and 8916

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SVP
Joined: 03 Feb 2003
Posts: 1611
Followers: 6

Kudos [?]: 74 [0], given: 0

how many odd integers are there between 7410 and 8916 [#permalink]  17 Aug 2003, 09:41
how many odd integers are there between 7410 and 8916?
Manager
Joined: 14 Aug 2003
Posts: 88
Location: barcelona
Followers: 1

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

(8916-7410)/2=753?
Intern
Joined: 18 Jul 2003
Posts: 10
Location: Mumbai
Followers: 0

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

752, as the first and the last no. are even.
Manager
Joined: 14 Aug 2003
Posts: 88
Location: barcelona
Followers: 1

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

between 4 and 6 there is 1 odd number... between 4 and 8 there are 2... so i assume between X and Y (X and Y both even), there are (X-Y)/2 odd numbers...
Intern
Joined: 18 Jul 2003
Posts: 10
Location: Mumbai
Followers: 0

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

Explanation accepted 753
Manager
Joined: 28 Feb 2003
Posts: 147
Location: Kiev
Followers: 1

Kudos [?]: 4 [0], given: 0

it's simple

take a set of numbers {2,3,4,5,6,7,8}
how many odd integers are there between 8 and 2? Count.
3, right? Or (8-2)/2

Absolutely the same you have to do with 7410 and 8916

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