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Permutations and Combinations, Probability

Number Systems, Progressions

Official Quant thread for CAT 2013

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Permutations and Combinations, Probability

1m
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Permutations and Combinations, Probability
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omen25 posted 4 hours ago The number of ways that 7 persons can address a meeting so that three persons A,B,C from them A will speak before B and B before C?Pls post the explanation too.......
Number Systems, Progressions

11m
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Number Systems, Progressions
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11m
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nrmd posted 21 hours ago There are 60 notes,one of which is a counterfeit note. It is known that the weight of the counterfeit note is not the same as that of a genuine note.What is the minimum number of iterations of weighing required to find the counterfeit note?
Official Quant thread for CAT 2013

12m
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Official Quant thread for CAT 2013
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12m
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oldkool posted 32 mins ago DS question from CAT 90 How long did Mr. X take to cover 5000 km journey with 10 stopovers? 1. The i th stopover lasted i^2 minutes. 2.The average speed between any two stopovers was 66 kmph. pls reply soon I am damn confused.
Quant by Arun Sharma

24m
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Quant by Arun Sharma
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24m
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ananyboss posted an hour ago Great !! i have lot of questions to post :)
Algebra, Quadratic Equations, Inequalities, Functions

1h
- 828 Replies
- 2,806 Followers
Algebra, Quadratic Equations, Inequalities, Functions
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1h
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abhietwup posted 13 hours ago The number of distinct quadratic equations of the type Ax^2+Bx+C=0 that can be formed when A,B and C are selected from {1,2,3,4,5,6}.
Number System - Questions & Discussions

2h
- 3,653 Replies
- 1,316 Followers
Number System - Questions & Discussions
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2h
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pablo1989 posted 2 hours ago @vergil15^23+23^23/19 what is remainder?? wit exlaination 1) a 2) b Skip ×the answer is zero cause a^n +b^n is divisible by a+b when n= odd
Ravi Handa Articles

2h
- 66 Replies
- 225 Followers
Ravi Handa Articles
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2h
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ravihanda posted 2 days ago New post - CAT Logical Reasoning: Knights, Knaves and Spies telling truth and lies
Set Theory, Logarithms, Ratio Proportion & Variation

9h
- 208 Replies
- 1,556 Followers
Set Theory, Logarithms, Ratio Proportion & Variation
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9h
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nrmd posted 4 weeks ago An empty fuel tank of a car was filled with A type petrol.When the tank was half-empty ,it was filled with B type petrol. Again when the tank was half-empty , it was filled with A type petrol . When the tank was half-empty again, it was filled with B type petrol.What is the percentage of A type petrol at present in the tank?
Time Speed and Distance, Work, Alligations & Mixtures

12h
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- 3,517 Followers
Time Speed and Distance, Work, Alligations & Mixtures
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12h
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aksh000 posted 2 days ago @Homer1ram and shyam run a race of 2000m.ram gives shyam a start of 200m and beats him by 30s.then ram gives shyam a start of 3 mins and is beaten by 1000m.find the time in which ram and shyam can run race seperately. 1) 8,10 2) 4,5 3) 5,9 4) 6,9 Skip ×plz give me solution.............
Mensuration, Geometry & Co-ordinate Geometry

13h
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- 2,808 Followers
Mensuration, Geometry & Co-ordinate Geometry
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sairama posted 3 days ago P and Q are two points on a circle and R is a point on the minor arc. If two tangents pass through P and Q and meet at s, angle psq=20 degrees. Find angle prq.
Official LR-DI Thread for CAT 2013

17h
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- 450 Followers
Official LR-DI Thread for CAT 2013
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17h
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vjinrj posted 19 hours ago Statements: Some cups are broken. All cups are strong. Conclusions: I. All broken cups are strong. II. All strong (entities) are broken. a If only conclusion I follows b If only conclusion II follows c If both the conclusions I and II follow d If either conclusion I or II follows e If neither conclusion I nor II follows ANS : According to TIME (e)According to CL (a)Which is right?
Averages, Percentages, Profit Loss and Interest

22h
- 366 Replies
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Averages, Percentages, Profit Loss and Interest
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22h
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Empathy posted yesterday Rohan and five of his friends contributed equal money and hired a car to Goa. At least one of hisfriends pulled out of the trip at the last moment and so they decided to divide the expenses betweenthe rest of the people. During the journey the car required some minor repair for which they paid 250 extra. The total travelling expenses, including the repair charges, amounted to 410 per person.If each of the six friends had contributed an integral amount more than 100 initially, then what wastheir total initial contribution?
percentages and profit,loss and interest

2d
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- 90 Followers
percentages and profit,loss and interest
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2d
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abhietwup posted 3 days ago Let A,B,C,D,E be such that A,B,C are in AP; B,C & D are in GP, C,D,E are in HP; then A,C, and E are in
Ratio and proportion arun sharma problem

3d
- 4 Replies
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Ratio and proportion arun sharma problem
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3d
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sairama posted 3 days ago @sairama A,B,C,D purchase a gift worth Rs. 60. A pays 1/2 of what others pay, B pays 1/3 of what others pay and C pays 1/4 of what others are paying. What amount does D pay? 1 answer 1) 13 0 answers 2) 10 ×Please explain solution.
Books On DI

5d
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Books On DI
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5d
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maohathras posted 5 days ago Please suggest a good on DI for CAT
Time Speed Distance - Questions & Discussions

5d
- 272 Replies
- 176 Followers
Time Speed Distance - Questions & Discussions
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5d
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hm382 posted 08:42 AM, 11 Oct '12 At how many points between 10 O'clock and 11 O'clock are the minute hand and hour hand of a clock at an angle of 30 degrees to each other? (1) 2 (2) 4 (3) 1 (4) 3 ans-btwn any hr all the angle r repeated 2 times...xcept 180 and 0...hence the ans is two..
Suggest a good book for number systems and functions

5d
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Suggest a good book for number systems and functions
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5d
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nishantmungse posted 5 days ago Can anyone suggest a good book which contains difficult questions for number systems and functions . [smiley]
Math Wizard CAT Coaching Classes - Mumbai

5d
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Math Wizard CAT Coaching Classes - Mumbai
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MathWizard posted 5 days ago Introducing, CAT coaching classes specially for commerce students. We identify your weaknesses and prepare you accordingly! Join Math Wizard and get personalised attention along with excellent coaching for CAT 2013! We promise you will secure 90+ percentile in Quant or else you get your money back! For further queries and details, email us at mathwizard91@gmail.com
Compound Interest

6d
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Compound Interest
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6d
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sushants posted 3 weeks ago I face lots of problem in compound interest. And when i solve compound interest question it take so much time. So in exam i should solve it or not?
b group student

6d
- 1 Reply
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b group student
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6d
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krms99131 posted 1 week ago hii m non math background student mean biology studenti want to prepare for cat.anyone have idea about clear basic for cat particularly for QA section plz help me.

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