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This week we have another GMAT problem solving question from PrepForTests. This time it’s on exponents.
What is the sum of the 20th and 21st terms in the sequence 1, 3, 9, 27… where each term is 3 times the preceding term?
1. 4 x 3^19
2. 10 x 3^19
3. 4 x 3^20
4. 10 x 3^20
5. 3^39
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We can improve your MBA profile and boost your candidacy.
Gain insight into the review process and eliminate weaknesses from your MBA application.
Time is the wisest counselor of all. – Pericles Once you decide to go to business school, timing becomes a crucial consideration. How do you know whether now is the best time for your MBA? ...
