Official Quant thread for CAT 2013

Please explain how the no. of ways in which it can be expressed as a product of 2 coprimes is 2 to the power 4-1 ???

Equilateral triangles are drawn on the outside of each of the four sides of a square of side 10 cm. The vertices of the equilateral triangles are then joined to form a quadrilateral. What is the ratio of the area of the quadrilateral to that of the square?

A)5 : 2

B)4 : 1

C)(1+2_/3):1

D)(2+_/3):1

Discuss the number of triangles formed by using the vertices of a regular polygon with n sides.

What happened to CL website???Are u guys able to access CL

f(x)=|x-1|+|x-2|+|x-3|+...+|x-100|. For how many values x can take when f(x) will take its minimum value? Solution plz?

f(x-1)=3x^2+5x+6, find the value of f(x+1)?

Hi IIM Aspirants, the outcomes indicate that Quant is on the tougher side and considerable weightage is given to Geometry and Algebra. I would like to help you out here. From a large pile (800 odd questions) I have carefully selected 200 questions and divided them into A) Lines & Triangles B) Lines & Quadrilaterals C) Lines & Circles D) Polygons & Circles and E) Areas and Volumes. If you want, I can mail you.


Two integers p and q are such that, six times their sum is equal to their product. How many ordered pairs (p, q) are possible?

1) 16
2)18
3)25
4)27

A) 2
B) 2.25
c) 2.5
D) 3

Find reminder when 31^71 is divided by 17. Please help solve this one.?


The equation x^2+ax+1=0 and x^2+bx+c=0 have a common real root, and the equation x^2+x+a=0 and x^2+cx+b=0 have a common real root. Find a+b+c.
a. -1
b. -3
c. 1
d. none of these
explain your approach too 😃

find the largest two digit prime factor of 240c120.

The positive integers just greater than (1 + 0.000001)^1000000 is :?

a) 4
b) 5
c) 2
d) 3


If x belongs to any real number, the number of solutions of root(x+1)-root(x-1)=1 is/are
a. 1
b. 2
c. 4
d. infinite

If you have any pdf/link/source/material of questions or theory related to functions and relations, questions like number of onto functions, etc. Kindly post in comments here. Thank you 😃

@Shubh.i @jasneetdua @ralins @placiddisciple @ahsish9virgo @sagarcat @ankurkhanna14 @ananyboss @ziddiarmaan @jaffa @rubikmath @Joffrey @nramachandran @rajat_cat @rajan30

cmat results r out

if R=(30^65 -29^65)/(30^64 + 29^64)


a. 0 b. 0.1 c. 0.5 d. R > 1.0

£>less than or equal to :mg:




how to handle 6^83 mod 49..


😲😲

Easy !

Cost of production of article is 66.67% of the list price, which is 120% of the selling price, after giving a discount of 20%. What is the profit/loss percentage?(A) 20% profit (B) 20% loss (C) 25% profit (D) 25% loss (E) None of these