Search found 42 matches
@limestone, @brijesh, thanks a lot.. I am little confused today.. Tomorrow i will be appearing for gmat.. may be its because of anxiety..
- by sanalnnair
Wed Sep 15, 2010 8:30 pm- Forum: Problem Solving
- Topic: Quadrant Problem_help needed
- Replies: 3
- Views: 1084
@brijesh, I think i have understood the concept. But if you elaborate few steps? or atleast few point, it would be appreciated.
Have you solved it like since the 2 events are independent, then P(AB) = P(A) * P(B).
- by sanalnnair
Wed Sep 15, 2010 8:26 pm- Forum: Problem Solving
- Topic: Probability_Selection Problem
- Replies: 6
- Views: 3293
Help needed_Distance problem
Can anyone help me to solve this question of DS?? Did it take Pei more than 2 hours to walk a distance of 10 miles along a certain trail? ( 1 mile = 1.6 Kms) 1) Pei walked this distance at an average rate of less than 6.4 Kilometers per hour 2) On average, it took Pei more than 9 minutes per kilomet...
- by sanalnnair
Wed Sep 15, 2010 8:24 pm- Forum: Data Sufficiency
- Topic: Help needed_Distance problem
- Replies: 1
- Views: 866
Quadrant Problem_help needed
Hi, Can anyone help me to solve this circumference problem?? I am having a silly doubt here.. I have attached the diagram in the word attachment. please go through it and help me. I had gone for calculating the circumference of the sector which comes out to be (PIE * r)/2, which is 1100/7 = 157. Now...
- by sanalnnair
Wed Sep 15, 2010 8:17 pm- Forum: Problem Solving
- Topic: Quadrant Problem_help needed
- Replies: 3
- Views: 1084
Ratio Problem_Help needed
Hi, can anyone help me to solve this question?? Month Numbers of Days worked June 20 July 17 August 19 The table above shows the number of days worked by a certain sales representative in each of the three months last year. If the number of sales call that the representative made each month was prop...
- by sanalnnair
Wed Sep 15, 2010 8:12 pm- Forum: Problem Solving
- Topic: Ratio Problem_Help needed
- Replies: 1
- Views: 938
Probability_Selection Problem
Hi guys, Please help to solve this problem, In the graduating class of a certain college, 48% of the students are male and 52% are female. In this class 40% of the male and 20% of the female students are 25years old or older. If one student in the graduating class is randomly selected, approximately...
- by sanalnnair
Wed Sep 15, 2010 8:11 pm- Forum: Problem Solving
- Topic: Probability_Selection Problem
- Replies: 6
- Views: 3293
Selection Problem
In a survey of students, each student selected from a list of 12 songs the 2 songs that the student liked best. If each song was selected 4 times, how many students were surveyed? A) 96 B) 48 C) 32 D) 24 E) 18. I had solved this question manually, as there are 12 songs and each song was selected 4 t...
- by sanalnnair
Wed Sep 15, 2010 8:10 pm- Forum: Problem Solving
- Topic: Selection Problem
- Replies: 1
- Views: 1057
- by sanalnnair
Wed Sep 15, 2010 10:16 am- Forum: Problem Solving
- Topic: 5 Digit numbers_Expert Help needed
- Replies: 6
- Views: 1110
I think since its not mentioned whether they are to be considered inclusive, thats why we have got 202 numbers, out of which 101 are even and 101 odd..
- by sanalnnair
Wed Sep 15, 2010 9:53 am- Forum: Problem Solving
- Topic: counting numbers
- Replies: 8
- Views: 1806
5 Digit numbers_Expert Help needed
Hi, Can anyone help me solve this question?? How many 5-digit positive integers exist where no two consecutive digits are the same? A.) 9*9*8*7*6 B.) 9*9*8*8*8 C.) 9^5 D.) 9*8^4 E.) 10*9^4 The answer given is [spoiler](C).[/spoiler] Please explain the steps as well. How can the answer be [spoiler](C...
- by sanalnnair
Wed Sep 15, 2010 9:26 am- Forum: Problem Solving
- Topic: 5 Digit numbers_Expert Help needed
- Replies: 6
- Views: 1110
@ diebeatsthe gmat, @ Selango
Thanks guys for your explanations.. it was my mistake, I was little confused..
- by sanalnnair
Tue Sep 14, 2010 10:42 am- Forum: Problem Solving
- Topic: Time Speed _ Problem_Please help
- Replies: 3
- Views: 1107
Series Summation Problem
Hi, Can anyone please help me with this problem?? If each term in the sum a1 + a2 + ......+ an is either 7 or 77 and the sum equals 350, which of the following could be equal to n?? 1) 38 2) 39 3) 40 4) 41 5) 42 Source Gmat Prep Don't know the answer. Please help with this problem with the steps. I ...
- by sanalnnair
Tue Sep 14, 2010 10:21 am- Forum: Problem Solving
- Topic: Series Summation Problem
- Replies: 3
- Views: 1030
- by sanalnnair
Tue Sep 14, 2010 10:12 am- Forum: Problem Solving
- Topic: If 6^m divides 25!, then...
- Replies: 10
- Views: 1840
Time Speed _ Problem_Please help
During a trip on an expressway, Don drove a total of x miles. His average speed on a certain 5-mile section of the expressway was 30 miles/hr, and his average speed for the remainder of the trip was 60miles per hour. His travel time for the x -mile trip was what percent greater than it would have be...
- by sanalnnair
Tue Sep 14, 2010 9:29 am- Forum: Problem Solving
- Topic: Time Speed _ Problem_Please help
- Replies: 3
- Views: 1107
Help Needed
1. A fruit salad contains 2/3 blueberries and the rest raspberries. Chen loves raspberries, so she added 12 quarts of raspberries to the salad. If the mixture is now 5/7 raspberries, how many quarts of fruit salad were there to begin with? (A) 9 (B) 12 (C) 15 (D) 21 (E) 25 Ans [spoiler](A)- 9[/spoil...
- by sanalnnair
Mon Sep 13, 2010 11:44 pm- Forum: Problem Solving
- Topic: Help Needed
- Replies: 1
- Views: 1219