Free Practice Question
PS · Problem Solving
605-655
Arithmetic
For any positive integer n, the sum of the first n positive integers equals n(n+1)/2. What is the sum of all the even integers between 99 and 301?
Answer Choices
Correct answer marked belowA
10,100
20,200
Correct
C
22,650
D
40,200
E
45,150
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Sign in to commentWhat this question tests
What it tests
Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.
Common trap
Applying the order of operations out of sequence or rounding intermediate values before the final step.
Details
Difficulty
605-655
Type
PS
Category