Search found 3 matches
I finally understood the logic. Thanks guys for your detailed explaination. since x+y=7 and both the digits are ending with 3, we don't care what x and what y will be. 
- by Pavan M
Tue Mar 06, 2012 4:45 am- Forum: Data Sufficiency
- Topic: Exponent problem - what is the units digit of n?
- Replies: 7
- Views: 8382
I found a new way of doing this problem. Given 70 of 110 evaluation at 1/3 observations so -- 70*x*110/3*100 -- 77x/3 Desired 90 of 110 evaluations at 2/3 observations so -- 90*2x*100/3*100 -- 191x/3 what % does the average score increase on her 2/3 oberservations So -- 191x/3 - 77x/3 = 43.3x (remem...
- by Pavan M
Mon Mar 05, 2012 7:20 am- Forum: Problem Solving
- Topic: Darlene and her averages
- Replies: 14
- Views: 3237
Clearly we can make out that A & B are the contenders. B says that the second bold face is the point which supports the main conclusion which is wrong. Because, it's very clear that the second bold face is the main conclusion. Hence the answer should be A.
- by Pavan M
Thu Feb 23, 2012 9:55 pm- Forum: Critical Reasoning
- Topic: Last year a record
- Replies: 5
- Views: 2134