[Official] Quant Thread for 2015!

Is there any solution to the problems of Arun Sharma's book Quantitative aptitude ?

Suddenly I am not getting notifications from the threads I had followed anymore. I mean here in PG not email notifications. I put off some as they were flooding my inbox.

Plz help.

if i start my preparation now for CAT 15 (self preparation) will i be able to crack it? i mean is this 6 months of time enough for the preparation?

anyone having CAT question papers 2011,12,13,14 ??? last 5 years atleast...???

How many 2 digit odd numbers are there with exactly 8 factors.

  • 2
  • 1
  • 0
  • 3

0 voters

All possible 2 factors products are formed from the numbers 1,2,3....200..the number of factors obtained out of total which are multiples of 5 r

5040 7180 8150 nota

5 different balls to b placed in 3 boxes of Different size which can hold all Balls...how many difft ways to place balls so that no box is empty

  • 180
  • 119
  • 150

0 voters

Fnd the distinct number of 7 digit numbers the sum of whose digits is even


  • 45*105
  • 90*10^6
  • 64000

0 voters

Postive integral solution of ABC=30

27 81 243

Approach

2x+3y+4z= 45,

y>x>z , what is the number of solution possible for the equation ?

Approach ??

A die has to be labeled with numbers 1 to 6, with a number on a face, such that the numbers on none of the pair of opposite faces add up to a multiple of 3. In how many ways can this be done?

Friends, is it possible to get admit for PhD in schools like LSE, Harvard after doing PGP from IIMs ? If yes, then are the prospects better only for A,B,C or I, K too?

A right circular solid cone has a curved surface area of  such that the radius (in units) and the slant height (in units) of the cone are integers. The cone has maximum possible volume. A right circular cylinder is casted by melting the whole cone. If the radius of such a cylinder is twice its height, then what will be the height (in units) of the cylinder?

http://s1.postimg.org/vr8r94f6n/screenshoth_86.jpg

In a semicircle with centre O and diameter AB, a parallelogram PQOA is formed where P and Q lie on the circumference of the semicircle. Find the ratio of the area of the semicircle to the area of the parallelogram PQOA.

Please tell if there is any better/shorter approach than the attached screenshot

OA:ispresent in the first link comment

 plz provide solution to this question

The Howrah-Puri express can move at 45 km/hour without its rake, and the speed is diminished by a constant that varies as the square root of the number of wagons attached. If it is known that with 9 wagons, the speed is 30 km/hour, what is the greatest number of wagons with which the train can just move?

option are as follows

a-63

b-64

c= 81

d-80

e- 65


12 men can complete a work in ten days. 20 

women can complete the same work in twelve 

days. 8 men and 4 women started working and 

after nine days 10 more women joined them. 

How many days will they now take to complete 

the remaining work?

explain answer with working plz

Ram and Shyam start a race at same time at speed of V km/hr.After some time Ram stops for T min and and Shyam continuously running.After T min Ram resume race at the speed of Y km/hr and cautch Shyam after V min.Speed can't be exceed more than 130 km/hr and square root of V is greater than 7.Then find the value of T.

A can make a wall in 20 days,B can destroy that wall in 30 days.If A and B working in alternate day then after how many days wall will be complete?
(1). 115 days (2). 117 days (3). 119 days (4). 120 days.

Celsius to fahrenheit conversion formula is °C x 9/5 + 32 = °F.then find out how many integer celsius temperature exist corresponding to fahrenheit temperature between 200 to 300.