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Bunuel
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If x is the sum of all odd numbers between 1001 and 2000, inclusive 09 Jan 2024, 02:30
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

65% (hard)

Question Stats:

62% (02:04) correct 38% (02:02) wrong based on 354 sessions

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If x is the sum of all odd numbers between 1001 and 2000, inclusive and y is the sum of all even numbers between 1001 and 2000, inclusive, what is the value of \(x – y\)?

A. -1000
B. -500
C. 0
D. 500
E. 1000


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B
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VivekSri
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If x is the sum of all odd numbers between 1001 and 2000, inclusive 09 Jan 2024, 10:47
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Bunuel
If x is the sum of all odd numbers between 1001 and 2000, inclusive and y is the sum of all even numbers between 1001 and 2000, inclusive, what is the value of \(x – y\)?

A. -1000
B. -500
C. 0
D. 500
E. 1000


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OA is B

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Archit3110
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If x is the sum of all odd numbers between 1001 and 2000, inclusive 09 Jan 2024, 04:25
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sum of consecutive even numbers
n * ( n+2)/4
and for odd ( n+1)^2 /4
find sum from 0 -2000 of both odd & even
later subtract sum of both odd & even from 1001 and 2000
we get -500
option B


Bunuel
If x is the sum of all odd numbers between 1001 and 2000, inclusive and y is the sum of all even numbers between 1001 and 2000, inclusive, what is the value of \(x – y\)?

A. -1000
B. -500
C. 0
D. 500
E. 1000


Show more
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DivVan
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If x is the sum of all odd numbers between 1001 and 2000, inclusive 16 Jan 2024, 01:41
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Add odd numbers 1-10 and even numbers 1-10 to get x = 25 and y = 30
x-y=-5
The only one among the options with -5s is B.
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bhargavhhhhhhhh
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If x is the sum of all odd numbers between 1001 and 2000, inclusive 29 Jan 2025, 10:11
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sum of consecutive even numbers
n * ( n+2)/4
and for odd ( n+1)^2 /4
find sum from 0 -2000 of both odd & even
later subtract sum of both odd & even from 1001 and 2000
we get -500
option B
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Bunuel
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