Search found 26 matches
Arithmetic
100. M is the sum of the reciprocals of the consecutive integers from 201 to 300, inclusive. Which of the following is true? (A) 1/3 < M < 1/2 B) 1/5 < M < 1/3 (C) 1/7 < M < 1/5 (D)1/9 < M < 1/7 (E) 1/12 < M < 1/9 The correct answer : A What's the best strategy to solve this ?
- by John fran kennedi
Fri Apr 01, 2016 9:39 am- Forum: Problem Solving
- Topic: Arithmetic
- Replies: 4
- Views: 1950
- by John fran kennedi
Tue Mar 22, 2016 3:24 pm- Forum: Data Sufficiency
- Topic: Word problem
- Replies: 2
- Views: 1388
Word problem
At the beginning of the year, the Finance Committee and the planning committee of a certain company each had n members, and no one was a member of both committees. At the end of the year, 5 members left the Finance Committee and 3 members left the planning Committee. How many members did the Finance...
- by John fran kennedi
Mon Mar 21, 2016 9:53 am- Forum: Data Sufficiency
- Topic: Word problem
- Replies: 2
- Views: 1388
Hi Max
I do not understand the way you combined the statement 1 and 2. Is there another way to determine that the answer choice C is insufficient?
- by John fran kennedi
Sun Mar 20, 2016 6:01 am- Forum: Data Sufficiency
- Topic: John invest $2,000 at a constant interest rate of annually c
- Replies: 3
- Views: 1506
Let me try to solve this Statement 1: I first plug 2 for x and 1 for Y 8^2 > 4^1. YES I plug -2 for x and -3 for y 1/8^-2 > 1/4^-3. NO. Hence, statement 1 is insufficient Statement 2 I plug 1 for both x and y 8 > 4. Yes I plug -1 for x and -2 for y 1/8 > 1/4^2, yes Statement 2 is sufficient. CMIW.
- by John fran kennedi
Wed Mar 16, 2016 7:41 am- Forum: Data Sufficiency
- Topic: Is 8^x>4^y? 1) x>y 2) 3x>2y
- Replies: 3
- Views: 2791
- by John fran kennedi
Tue Mar 15, 2016 3:18 pm- Forum: Data Sufficiency
- Topic: arithmetic
- Replies: 7
- Views: 2158
I thought that the statement 2 was insufficient because it could have been solved by plugging diverse numbers with the same result 12. for example (4,4,4), (1,2,9), ( 2,4,6) etc
- by John fran kennedi
Tue Mar 15, 2016 11:34 am- Forum: Data Sufficiency
- Topic: arithmetic
- Replies: 7
- Views: 2158
- by John fran kennedi
Tue Mar 15, 2016 11:14 am- Forum: Data Sufficiency
- Topic: value of z
- Replies: 5
- Views: 1721
arithmetic
156. Are all of the numbers in a certain list of 15 numbers equal? (1) The sum of all the numbers in the list is 60 (2) The sum of any 3 numbers in the list is 12 of course the statement 1 is unsufficient, but I don't know why the statement 2 is sufficiet. I have seen the explanation answer of my OG...
- by John fran kennedi
Tue Mar 15, 2016 10:44 am- Forum: Data Sufficiency
- Topic: arithmetic
- Replies: 7
- Views: 2158
- by John fran kennedi
Tue Mar 15, 2016 10:33 am- Forum: The GMAT Avengers Study Group
- Topic: Videos
- Replies: 0
- Views: 1393
- by John fran kennedi
Sat Mar 12, 2016 9:47 pm- Forum: Data Sufficiency
- Topic: Inequalities
- Replies: 3
- Views: 1728
- by John fran kennedi
Sat Mar 12, 2016 9:19 pm- Forum: Data Sufficiency
- Topic: Arithmetic
- Replies: 3
- Views: 1720
Arithmetic
Guys , I was really shocked when I knew that the right answer was B, because I did think that that would NOT have been B. I thought so , because since there are 3 shirts and the most expensive price > $30, whereas the least expensive price > $ 20. So the other price(the middle price) would be greate...
- by John fran kennedi
Sat Mar 12, 2016 7:50 pm- Forum: Data Sufficiency
- Topic: Arithmetic
- Replies: 3
- Views: 1720
- by John fran kennedi
Sat Mar 12, 2016 6:35 pm- Forum: Data Sufficiency
- Topic: Arithmetic
- Replies: 5
- Views: 2323
- by John fran kennedi
Sat Mar 12, 2016 12:55 am- Forum: Data Sufficiency
- Topic: Arithmetic
- Replies: 5
- Views: 2323