[Official] Quant Thread for CAT 2016!!!

Prepare for CAT 2016 Quantitative Aptitude questions. 

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(Free Soft Copies) R.S. Aggarwal - Quants https://drive.google.com/file/d/0BylYBEATNp-Lc290anp5RUp1ZUE/view?pli=1 Arun Sharma - Quants https://drive.google.com/file/d/0B1KdGGHsLplhMkhQa2l3bk1WMDQ/view?pli=1 R.S. Aggarwal - Verbal and Non-Verbal Re...
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Solve

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In a triangle ABC, O is the incentre. P is the point of tangency of the circle on AC, Q on BC. PQ is joined. now BO is produced such that it meets PQ at G. Now what is angle AGB?


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Please help

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Vishu Pai @vishiac  ·  6h

@shadowfax1312 Is the answer x= 20°

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Ganesh Mahidhar @shadowfax1312  ·  9m

@vishiac yes. Approach please?

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Index of greatest power of 2 in 64!+65!+66!+...+120!

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Ganesh Mahidhar @shadowfax1312  ·  1d

@vishiac cheers! Nice one

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Vishu Pai @vishiac  ·  1d

@shadowfax1312 anytime if the problem is within my reach👍.... Cheers!!

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Those who want soft copies of "R.S. Agarwal - Quants" And "Arun Sharma - Quants" can ping me. I will give them to you for free.

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@alphasurya9225 @alphasurya9225  ·  19h

Kindly send to surajsharma5229@gmail.com. Thanks a lot!

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@Wakao69 @Wakao69  ·  15h

I have uploaded the links in this group. Please check.

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 Hi Guys, i come across this free course : https://www.prepathon.com/crack-cat-quant-2017-intro



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Kaytee D @kayteed  ·  1d

 I just joined the course. You can simply skip the promo code option and join the program by clicking a tab on right hand side. 

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x^4+ax^3+bx^2+cx+d has 4 positive real roots. Find minimum value of c

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Shubham  @SCCC  ·  2d
@vishiac @mayur_arora  This is the best I could come up with. Let the roots be A, B, C, D. We have, ABC + BCD + ABD + ACD = -c. Also AM >= GM. So, (ABC + BCD + ABD + ACD)/4 >= (ABCD)^3/4 => -c/4 >= d^3/4 or c <= -4d^3/4. Now I wonde...
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Vishu Pai @vishiac  ·  2d
@SCCC Bro, each of the coefficients may tend to negative infinity or positive infinity for this polynomial as roots tend to infinity, So there is no bound on the coefficients in general!! We know C is negative,...
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Using fraction


RRB-PO (2015), VIJAYA PO(2015 RL), OBC PO (2016), UCO SWO-A(2016)

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Need explaination

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Akash Mohan @akashmohan  ·  2w

open that alpa beta (taking a and b for alpha beat resp) a+b/ab , acc to equation sum of roots (a+b)= -(-7)/5 and product of (ab= 1/5) put that in a+b/ab , 7 is the answr @11Akash94

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@11Akash94 @11Akash94  ·  2w

@akashmohan thanks

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