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- by ramandeepn
Fri Apr 10, 2009 10:44 am- Forum: Problem Solving
- Topic: Exponent pls help
- Replies: 6
- Views: 1871
Exponent pls help
Please tell me how to solve this question from GMAT PREP
2+2+2^2+2^3+2^4+2^5+2^6+2^7+2^8
Ans:2^9
- by ramandeepn
Fri Apr 10, 2009 8:19 am- Forum: Problem Solving
- Topic: Exponent pls help
- Replies: 6
- Views: 1871
Please tell me shortcut to solve this...
5 POWER 21 +4 POWER 11= 2+10POWER n. What is the value of n?
( I dont know how to write power of numbers so i wrote this way?)
- by ramandeepn
Tue Mar 03, 2009 12:20 am- Forum: Problem Solving
- Topic: Please tell me shortcut to solve this...
- Replies: 6
- Views: 1420