[Official] Quant Thread for 2015!

DI ke liye previous year questions kafi hai ? Test series main toh data mining hi expect krte hain!! 😞

Let f(x) = ax 2 - b !x! , where a and b are constants. Then at x = 0, f(x) is

(1) maximized whenever a > 0, b > 0 (3) minimized whenever a > 0, b > 0   (2) maximized whenever a > 0, b 0, b

Do all of you refer to cat100percentile.com ? How can one benefit from it ?

What is the maximum possible area of a rectangle inside a equilateral triangle of side 8 cm ?

In how many ways can one select three digits out of (1,2,3,4,5,6,7,8,9) such that no two of them are consecutive?

Wondering when IIM I board will finally come out and say that enough is enough,and that they indeed hate cat. Their criteria is a joke 😂😂


http://www.time4education.com/cat-mba/iim-indore-mumbai-campus-admission-criteria-2016-18.aspx

 Let N be the number of ways in which three distinct numbers can be selected from the set {1, 2, 3, 4, ....., 300} such that their sum is divisible by 3. Which of the following is definitely true?

a   N is less than 1,000

b  N is between 1,000 and 10,000

c  N is between 10,000 and 1,000,000

d  N is more than 1,000,000.

Can someone explain the approach?

IIFT 2016 Probability question Answer...

Any idea about how many rough sheets would be provided in CAT ?

Sorry for posting such a trivial question here. It's been irking me. Would appreciate your help. Thanks

A and B start from two opposite ends P and Q of a 100km long road towards each other. Speed of A is 60km/hr and of B is 15km/hr. Find the distance traveled by A when they meet for the 10th time.

@psycho.munna @sagarcat 

Number of ways to paint a cube using all of the six different colours?

The internal evaluation for economics course in an engineering programme is based on the score of four quizzes. Rahul has secured 70 ,90 and 80 in the first three quizzes. the fourth quiz has ten True - False question each carrying 10 marks. what is the probability that Rahul's internal marks for economics course is more than 80,giventhat he decides to guess randomly on the final quiz ?

  • 11/1024
  • 12/256
  • 14/256
  • 12/1024
  • 11/256

0 voters

A milkman has 15 litres of pure milk.How many litres of water have to be added to it so that he gets a 60% profit by selling at cost price?

In how many ways can we climb steps numbered 1,2,..12 such that you can take any number of steps but you must step on the step that are divisible by 3 ?

Ans : 256 

Approach plzzz 

Source :SIMCAT 4 ,2015 Qn No : 24

A little ambiguity in the language.

"On Friday, the only subject Rakesh studied was Physics, which he studied in the morning and he finished studying Chemistry before starting History". 

Query: Is it  a compulsion that Rakesh will have to study Chemistry just before history or he can study Chemistry on any day before History.??

A reduction of 20% in the price of wheat enables a purchaser to Obtain 16 kg more for rs 320. What is the reduced price per kg?

  • 2
  • 4
  • 5
  • 6

0 voters

In a group of boys, the number of arrangements of 4 boys is 12 times the number of arrangements of 2 boys. The number of boys in the group is

  • 8
  • 6
  • 10
  • None of these

0 voters

hey whats with snaps alphanumeric password? tried 10 passwords with special characters , capitals , numericals bt to no avail..wtf!

If a and b are the roots of the quadratic equation 10x^2+kx+k(k−1)=0, find the range of the values of k such that the condition a/b + b/a > 5 is satisfied.

a. (-infinity,0) U (70/69,infinity)  b. (0,70/69) c. (1,70/69) d. (70/69, infinity)

Post solution as well.

Off topic Question:

Are Biological breaks allowed in CAT? Controlling pee for 3 hours might be difficult.