[Official] Quant Thread for 2015!

Ghosh Babu's new interest is psychology. He has identified various personality patterns and given them names. These personality patterns are inter-related as follows: -

All Alessandras, Belissimas, Cassandras, Desdemonas, Elissimas and Firdauses are Queens. -

All Alessandras are Belissimas.

- No Belissima that is not an Alessandra is a Firdaus.

- Some Cassandras are Alessandras. -

All Desdemonas are Cassandras.

- Some Cassandras are not Belissimas.

- No Desdemona is an Alessandra.

- All Queens and only Queens that are neither Belissimas nor Cassandras are Elissimas.


Question 46
Which of the following is true?
(a) All Firdauses are Alessandras.
(b) Some Firdauses are Alessandras.
(c) All Firdauses are either Alessandras, Cassandras or Elissimas.
(d) Some Firdauses are Cassandras
(e) None of the Above
Question 47 Which of the following is not true?
(a) No Desdemonas are Belissimas.
(b) Some Belissimas are Desdemonas.
(c) Some Firdauses are both Belissimas and Cassandras.
(d) Some Queens are neither Belissimas nor Elissimas.
(e) None of the Above
Question 48. Which of the following cannot be said to be true or false?
I. No Belissima or Cassandra is an Elissima.
II. Some Cassandras are Belissimas but not Alessandras.
III. No Belissima is both an Alessandra and a Desdemona.
(a) I only (b) II only (c) III only (d) I & II (e) None of these
Question 49. Peter is not a Belissima, therefore,
(a) Peter is an Elissima
(b) If Peter is a Queen, he is an Elissima or Cassandra.
(c) If Peter is not an Elissima, he is a Cassandra.
(d) None of the above
(e) Both b and c

how many positive integers up to 4624 are divisible by atleast 2,7,or 11 ? 1)2822 2)2766 3)2786 4)2854

Number of two digit factors of 9800 ?

sharing of methods any other than manual counting would be appreciated.

What is the sum of (100*1+99*2+98*3+..........+3*98+2*99+1*100).

Approach please.

Hey all Puys,

I have complete CL material of Last year (all funda books of QA, VA, LRDI, XAT, GK, GDPI etc.) and complete set of Arun Sharma books (QA, VA, LRDI). If anyone interested kindly mail me on [email protected] 

Preference will be given to ppl in Jamshedpur.

There is a grand father, 6 sons & daughters and 4 grand children.They are to be seated in a row. Two grand children want to be seated at both the ends. The grand father refuses to seat on either side of grand children. Find the number of ways the arrangements possible.

101! or 51^101 which is bigger?/ approach pls

Tens digit of 6^11^7 ??

Any links for permutations and combinations studies?

Given :x + 1/x = -1

Find : x^27 + 1/x^54 , 

Next :

Given :x + 1/x = 1

Find : x^27 + 1/x^54

54^4 or 12^21 .. which is greater... how do we approach these kind of questions?

Given : 1! - 2! + 3! - 4! + 5! - 6! + 7! = y

find remainder when y^2 divided by 9

For all natural numbers N less than 150

How many numbers satisfy :

[N/7] = [N/11] , where [ ] = gif

In a triangle PQR, points X, Y, Z are on PQ, PR and QR respectively such that PX=XQ, RY/YP=a/b and QZ/ZR= 3. Also, (area of trianglePXY)^2 = (area of triangle QXZ)*(area of triangle RYZ). The ratio a:b equals to

A)(3+sqrt105)/6 B) (2+sqrt35)/3 C) (sqrt105 -3)/6 D) (3+sqrt31)/7

In a game of Ludo if ram gets a 7 then he wins the game . what is the proabability of wining the game ?

p.s: ludo me agar 6 milta hai to turn is earned back. wining the game means coming back HOME .

http://i.imgur.com/a9PksKR.jpg

if a+b+c=25 and ab+bc+ca=75 then the max value which a can take is :

65/3

25/3

55/3

None

http://i.imgur.com/rUuExW8.jpg


http://i.imgur.com/F7X0AGO.jpg