Search found 74 matches
Quant Problems
If X and Y are positive integers, is ( 10^Y -X )/3 an integer? (1)( X-1)/3 is an integer (2) (Y-1)/3 is an integer
If the remainder is 2 when x is divided by 5, then is x divisible by 7? (1)x is a prime number (2)x+3 is a multiple of 10
- by sukh
Wed Nov 09, 2011 7:26 am- Forum: GMAT Math
- Topic: Quant Problems
- Replies: 1
- Views: 1015
Question
The scoring system in a certain football competition goes as follows: 3 points for victory, 1 point for a draw, and 0 points for defeat. Each team plays 20 matches. If a team scored 9 points after 5 games, what is the least number of the remaining matches it has to win to reach the 40-point mark by ...
Question
Is the average price of 10 items of which no two cost the same. If each of the cheapest 5 items loses 10% in price while each of the most expensive 5 items gains 10% in price, which of the following is possible about ? I. will decrease II. will not change III. will increase (A) III only (B) I and II...
Question
There are six cards bearing numbers 2,4,5,5,5,6. If two cards are randomly selected from the lot, what is the probability that the difference between the numbers on these cards is 3 or less?
- by sukh
Wed Nov 09, 2011 12:51 am- Forum: Problem Solving
- Topic: Question
- Replies: 3
- Views: 1112
Quant Problem
A sequence is defined as follows: If n is a positive integer, then how many of the first 100 terms of this sequence are less than 0.891? (A) 7 (B) 8 (C) 9 (D) 10 (E) 12
- by sukh
Thu Nov 03, 2011 7:56 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 1
- Views: 1152
difficult questions
Is the product abcd even? (1)a^2 +b^2 +c^2 + d^2 = 0 (2) a = b = c = d
plz expain in detail
If N is a positive integer, is N ! divisible by 66 ? (1)N! is divisible by 11 (2)N! is divisible by 12
- by sukh
Thu Nov 03, 2011 7:27 am- Forum: Data Sufficiency
- Topic: difficult questions
- Replies: 5
- Views: 1091
geometry tough questn
The center of the circle is at point (0, 6 ) . If the distance between the two points where the circle intersects the x-axis is 16, what is the area of the circle?
- by sukh
Wed Oct 26, 2011 8:22 am- Forum: GMAT Math
- Topic: geometry tough questn
- Replies: 2
- Views: 1107
Quant Problem
6 students in a group study different languages as specified: Each student studies at least 1 language. If it is also known that exactly 3 students study exactly 2 languages, how many students are studying all three languages? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4
- by sukh
Wed Oct 26, 2011 8:01 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 2
- Views: 1040
probabilty problem
A basket contains cards bearing numbers 10, 11,... , 20. If a card is drawn from the basket and is not returned to it, and then the second card is drawn from the basket, what is the probability that the first card drawn will have a prime number on it while the second will not? (A)28/110 (B)4/15 (C)5...
- by sukh
Wed Oct 26, 2011 12:57 am- Forum: GMAT Math
- Topic: probabilty problem
- Replies: 2
- Views: 1185
- by sukh
Wed Oct 26, 2011 12:51 am- Forum: GMAT Math
- Topic: probabilty problem
- Replies: 4
- Views: 1373
Quant Problem
Tom read a book containing 480 pages by reading the same number of pages each day. If he would have finished the book 5 days earlier by reading 16 pages a day more, how many days did Tom spend reading the book? (A) 10 (B) 12 (C) 15 (D) 16 (E) 18
- by sukh
Wed Oct 26, 2011 12:51 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 2
- Views: 1475
probabilty problem
A basket contains 3 blue marbles, 3 red marbles, and 3 yellow marbles. If 3 marbles are extracted from the basket at random, what is the probability that a marble of each color is among the extracted marbles? If a bowl contains only white and black balls, what is the probability of extracting a whit...
- by sukh
Tue Oct 25, 2011 8:07 am- Forum: GMAT Math
- Topic: probabilty problem
- Replies: 4
- Views: 1373
Quant Problem
If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio of the power of a 9-cylinder engine to that of a 12-cylinder engine? (A) 0.69 (B) 0.71 (C) 0.72 (D) 0.75 (E) 0.78
- by sukh
Tue Oct 25, 2011 7:55 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 2
- Views: 1160
Quant Problem
If a 5-year construction project is structured to double the investment every succeeding year, what percentage of the total cost was invested in the first year?
(A) 12.5% (B) 10% (C) 8.25% (D) 5% (E) 3%
Answer is E why it isnt 6% becoz we divide 1 by 16 - 16 being investment in 5th year
- by sukh
Tue Oct 25, 2011 6:04 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 1
- Views: 937
Quant Problem
what is area of triangle if one side and three angles are given ,basically two triangles are there with one area double the other , we have to find their comparable sides relation , this is gmatprep question
- by sukh
Sun Oct 23, 2011 5:32 am- Forum: GMAT Math
- Topic: Quant Problem
- Replies: 1
- Views: 979