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3 Questions!
1)The area of a circle is increased by 800%. By what percent has the diameter of the circle increased? (A) 100% (B) 200% (C) 300% (D) 600% B 2) Pipe A can fill a tank in 3 hours. Pipe B can empty the same tank in 2 hours. If the tank is initially two thirds full then in how many hours will the tank ...
- by AIM TO CRACK GMAT
Sun Oct 20, 2013 10:49 am- Forum: Problem Solving
- Topic: 3 Questions!
- Replies: 8
- Views: 2206
farm A&B
Farm A had an average output of 300 kgs of wheat per acre. Farm B had an average output of 350 kgs of wheat per acre. It is known that Farm B's area is 15 acres less than Farm A's. It is also known that Farm B in total harvested 2000 kgs of wheat more than Farm A. What is the area of Farm A? (A)130 ...
- by AIM TO CRACK GMAT
Sun Oct 20, 2013 7:05 am- Forum: Problem Solving
- Topic: farm A&B
- Replies: 4
- Views: 1908
divisor
If x=8y+11 then which of the following cannot be a divisor of x.(y is a whole number)?
a) 3
b) 5
c) 7
d) 12
[spoiler]OA = D[/spoiler]
- by AIM TO CRACK GMAT
Sun Oct 20, 2013 7:01 am- Forum: Problem Solving
- Topic: divisor
- Replies: 3
- Views: 1735
Exponent Issues
What is the remainder when 1027199 is divided by 5?What is the remainder when 1027^199 is divided by 5?
a) 1
b) 2
c) 3
d) 4
[spoiler]OA = C[/spoiler]
- by AIM TO CRACK GMAT
Sun Oct 20, 2013 6:31 am- Forum: Problem Solving
- Topic: Exponent Issues
- Replies: 7
- Views: 5858
MGMAT EXPONENTS problem
I have understood the concept but there is jus one step in solution below that i din understand! Ill be glad if sum1 cud help me! 4^a+4^a+1=4^a+2 - 176. What is the value of a? 176=4^a+2 - 4^a - 4^a+1 " = 4^a *(4^2)-4^2-4^2*(4^1) " =4^a*(4^2 - 4^0 - 4^1) " = 4^a(16-1-4) " +4^a*11...
- by AIM TO CRACK GMAT
Thu Oct 17, 2013 10:50 am- Forum: Data Sufficiency
- Topic: MGMAT EXPONENTS problem
- Replies: 3
- Views: 1403
Hi... There r no answer choices... this is a problem given in the Problem set at the end of the chapter!!
theCodeToGMAT wrote:Please post Answer Choices
- by AIM TO CRACK GMAT
Tue Oct 15, 2013 6:45 am- Forum: Problem Solving
- Topic: COORDINATE ISSUES!!!!! HELP ASAP
- Replies: 5
- Views: 1623
COORDINATE ISSUES!!!!! HELP ASAP
Hi everyone!
This is a problem from MGMATs Strategy Guides Geometry
Q- The line represented by the equation y= x is the perpendicular bisector of line segment AB, IF A has the coordinates (-3,3) What are the Coordinates of B????
[spoiler]OA= (3,-3)[/spoiler]
- by AIM TO CRACK GMAT
Tue Oct 15, 2013 6:02 am- Forum: Problem Solving
- Topic: COORDINATE ISSUES!!!!! HELP ASAP
- Replies: 5
- Views: 1623
Exponents From GMAT PREP
What is equal to 2^5+2^5+3^5+3^5+3^5?
[spoiler]OA= 2^6+3^6[/spoiler]
Ill be very glad if sum1 cud xplain me how to solve this 1!
Thanks a ton!
- by AIM TO CRACK GMAT
Sat Jun 08, 2013 6:30 am- Forum: Problem Solving
- Topic: Exponents From GMAT PREP
- Replies: 1
- Views: 868
MGMAT PROBABILITY TREE
HEy every1... i was facing a bit of a problem understanding the probability tree.. I always go wrong with my First pick and Second pick... ill b glad if some1 could teach it to me..
Thanks a ton
- by AIM TO CRACK GMAT
Sun May 26, 2013 5:42 pm- Forum: Problem Solving
- Topic: MGMAT PROBABILITY TREE
- Replies: 1
- Views: 896
test Question
Tom is on a certain diet that requires him to limit the number of calories he takes in each day. He is allowed to take in 2400 calories each day from three square meals, and 200 calories each day from snacks and dessert combined. On some days, he splurges by taking in three times the recommended num...
- by AIM TO CRACK GMAT
Sun Mar 17, 2013 11:58 pm- Forum: Problem Solving
- Topic: test Question
- Replies: 4
- Views: 1807
Can v try allegation process here?
A professional gambler has won 40% of his 25 poker games for he week so far. If, all of a sudden his luck changes and he begins winning 80% of the time, How many more games he must play to end up winning 60% of all his games for the week?
25 More games
- by AIM TO CRACK GMAT
Fri Mar 15, 2013 9:01 am- Forum: Problem Solving
- Topic: Can v try allegation process here?
- Replies: 1
- Views: 900
Is there any other method other than the long division jus to chek d length?? Yes, there is. But that is based on the results after division only and you can remember the result. When any integer which is not multiple of 7 is divided by 7, the digits after the decimal are 1, 4, 2, 8, 5, and 7, in t...
- by AIM TO CRACK GMAT
Fri Mar 15, 2013 8:54 am- Forum: Problem Solving
- Topic: Alternative to solve dis?
- Replies: 2
- Views: 965
Alternative to solve dis?
What is the length og the sequence of different digits in the decimal equivalent of 3/7 ??
OA- 6
Is there any other method other than the long division jus to chek d length??
- by AIM TO CRACK GMAT
Fri Mar 15, 2013 8:12 am- Forum: Problem Solving
- Topic: Alternative to solve dis?
- Replies: 2
- Views: 965
unable to understand dis equation
Guys i realyy dont understand the last part of this equation that is the Total revenue part... i understood how v got 100 +x but i really dont understand the change n 2007's total revenue... Its 4m MGMAT FDPs
- by AIM TO CRACK GMAT
Thu Mar 14, 2013 8:12 am- Forum: Problem Solving
- Topic: unable to understand dis equation
- Replies: 3
- Views: 1553
Hey guys, After being initially overly-ambitious and giving myself six weeks to study over my christmas holiday I kept on procrastinating the study and before I knew it I had twenty days left to study for the exam. I looked through all the forums and borrowed the manhattan gmat books from the libra...
- by AIM TO CRACK GMAT
Tue Feb 12, 2013 8:03 am- Forum: I just Beat The GMAT!
- Topic: 600-730 with three weeks study
- Replies: 2
- Views: 3618