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2 + 4 + 6 + 8 + . . . + 98 + 100
[#permalink]
23 Aug 2022, 04:15
23 Aug 2022, 04:15
Expert Reply
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Question Stats:
80% (00:32) correct
20% (00:46) wrong based on 5 sessions
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2 + 4 + 6 + 8 + . . . + 98 + 100
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Quantity A |
Quantity B |
the sum of all the terms in the series |
2,550 |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: 2 + 4 + 6 + 8 + . . . + 98 + 100
[#permalink]
23 Aug 2022, 09:40
23 Aug 2022, 09:40
1
Series is AP with a =2, d = 2, n= 100-2/2 +1 = 50
Sum = n(2a+(n-1)d)/2 = 50 (4+49*2)/ 2 = 2550
Answer is C
Sum = n(2a+(n-1)d)/2 = 50 (4+49*2)/ 2 = 2550
Answer is C
gmatclubot
Re: 2 + 4 + 6 + 8 + . . . + 98 + 100 [#permalink]
23 Aug 2022, 09:40
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