CAT All India Study Circle 2015

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For a set of particular distinct integral value of a,b,c, and d the equation (n+a)(n+b)(n+c)(n+d)=25 holds.For how many distinct integral values of n does it hold???

A) 0     B) 1    C) 2    D) More than 2

cat16- 97.26|| Calls- All new IIMs, VGSOM, DoMS IIT Madras, IMI delhi, NITIE|| Convert(s)- IIM Jammu
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ak.abhi03
@ak.abhi03DMS IITM Chennai  ·  30 karma

Please explain this.

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statements-

             some houses are trains

             all trains are fruits

             some fruits are skies

conclusions-

          I.atleast some skies are houses

         II.some fruits are not houses

         III.some trains are skies

        IV.all fruits being trains is a possibility

1.only IV follow                   3.II & IV follow

2.only I follow                     4.II & III follow

5.none of these

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Rupali4
@Rupali4  ·  0 karma

1.only IV follow

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Statements :

All box are not pencil.                   All pencil are not eraser.


All eraser are not sharpener.          All sharpener are geometry box.


Conclusions :

1.Some sharpener not being eraser is a possibility.


2. All eraser being box is a possibility.

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monali_dey
@monali_dey  ·  0 karma

Okie dokie @Rupali4 

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Huey
@Huey  ·  2,628 karma

Both follow.

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please answer this question with explanation..                                                   in how many ways can a no be expressed as sum of consecutive numbers??

cat16- 97.26|| Calls- All new IIMs, VGSOM, DoMS IIT Madras, IMI delhi, NITIE|| Convert(s)- IIM Jammu
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Patsum_MBA
@Patsum_MBA  ·  0 karma

Means Is this some kind of rule .?

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marim
@marim  ·  0 karma

@Patsum_MBA ya it's a formula for eg-take no 6, 6=2*3 so it has total 2 odd factors    therefore,2-1=1.so 6 can be written as a sum of 2 or more consecutive no.s in1 way i.e.1+2+3

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Explain this too:


He also helps us come closer to understanding the mystery of the seven o clock shadow and the logic of rolling up sleeves without any manual labour to follow

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Please explain the meaning of the following sentence: Source: Edit Page of ET

Rahul Gandhi having among us is like having cough syrup in a household of teetotalers He unfailingly provides us with meat to make real news sausage out of.

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@monali_dey any other such techniques

I know nothing...I am Jon Snow
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shayantu.roy
@shayantu.roy  ·  0 karma

Hey Lancelot...cud u tell me what all books of time are really good if possible I will buy those

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Rupali4
@Rupali4  ·  0 karma

@shayantu.roy All their booklets are good. Especially Quant.

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In TIME Bangalore they taught an unique technique to solve Syllogisms questions assigning Tick (✓) and Cross (X). Following that two ✓ means no conclusion etc. Was a student in 2012. Gave the material and forgot the technique too.

Kindly someone please help.

Sometimes it is the people no one imagines anything of who do the things that no one can imagine.
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Rupali4
@Rupali4  ·  0 karma

@monali_dey agree..venn diagram works best for 4 statements 

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rheetammitra
@rheetammitra  ·  320 karma

@Rupali4 Ya but if u deduce conclusion quickly n then again compare with other statements, it works well.

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Comparing fractions

If percentage change in numerator is lesser  than percentage change in denominator, then resultant fraction has more value than the original fraction. 

Plz explain this. This is useful in solving DI ques.

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monali_dey
@monali_dey  ·  0 karma

@Rupali4 thanks

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shayantu.roy
@shayantu.roy  ·  0 karma

@monali_dey this technique is really useful helping a lot

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A. This very insatiability of the photographing eye changes the terms of confinement in the cave, our world.

 B. Humankind lingers unregenerately in Plato's cave, still revelling, its age-old habit, in mere images of truth.

C. But being educated by photographs is not like being educated by older images drawn by hand; for one thing, there are a great many more images around, claiming our attention.

 D. The inventory started in 1839 and since then just about everything has been photographed, or so it seems.

E. In teaching us a new visual code, photographs alter and enlarge our notions of what is worth looking at and what we have a right to observe.

(CAT 2000)


@shayantu.roy @ak.abhi03 @monali_dey @marim @Harmeet89 

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