GMAT Practice Question Set #31 (Question 91-93)

Problem Solving Question #91: Odd and Even Integers  
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If a equals the sum of the even integers from 2 to 200, inclusive, and b equals the sum of the odd integers from 1 to 199, inclusive, what is the value of a - b?

(A)

10

(B)

100

(C)

190

(D)

200

(E)

210

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