Official Quant thread for CAT 2013

Fresh grapes contain 80% water. If 50kg of these grapes are dried till the weight become 40 kg , what percentage of these grapes are water ?

70% of the students who joined XLRI last year play football, 75% play cricket, 80% play basketball and 85% play carom. The minimum percentage of students who play all 4 games is ?

There are 4 coins 1 paisa, 5 paise, 10 paise, 25 paise using these coins we have to make 50 paise how many combination can we make ?

explain your approach please ..........

Fresh grapes contain 80% water, if 50 kg of these grapes are dried till the weight become 40 kg , what percentage of these grapes are water?

70% of the students who joined XLRI last year play football , 75% play cricket , 80% play basketball & 80% play carom . The minimum percentage of students , who play all four games is ?

how to divide 250/0.40? 

what does this statement imply ?

a room is half as long again as it is wide..

in the solution they are showing length 3 and breadth 2...

how area of 4 of room formula is different from area of rectangle..the only diff i find is of height..

http://www.pagalguy.com/discussions/official-quant-thread-for-2015-30245083

an alloy contain rin and copper in the ratio 3:4 and 10kg pure copper is melted and mixed with it,if the resultant alloy contains 38kg of copper what is the weight of the original alloy ?

  • 49kg
  • cbd
  • 15kg
  • 40kg
  • 28kg

0 voters

Product M is produced by mixing chemical X and Y in the ratio of 5:4. Chemical X is prepared by mixing two raw materials , A and B in the ratio of 1:3. Chemical Y is prepared by mixing raw materials B and C , in the ratio of 2:1. The final mixture is prepared by mixing 864 units of product M with water. If the concentration of raw material B in the final mixture is 50%, how much water had been added to product M?

http://www.pagalguy.com/discussions/sources-are-your-resources-31074559/followers

x+1/x=3(x-1/x)

answer is square root of 2..please help me to solve this

@shawshanks 

Can anybody tell me the answer of foll. Q =

TWO

*

TWO

EQUALS THREE? FIND VALUE OF T?

I don't know the ans.


  • Wrong.
  • I don’t know the ans.

0 voters

Hi

https://oxter.in/recruitment-2015/ssc-capf-recruitment-2015-gd-constable-62390-posts-apply-ssc-nic-i...

The price of singer reduce by25% but inspite of decrease, karun ends up increaseing his expenditure on sugar by 20% . What is percent change in his monthly consumption of sugar?

Plz help me in this problem.

One fashion house has to make 810 dresses and another one, 900 dresses during the same period of time. In the first house, the order was ready 3 days ahead of time and in the second house, 6 days ahead of time. How many dresses did each fashion house make a day if the second house made 21 dresses more a day than the first ?

  • 24,48
  • 44,65
  • 54,75
  • 04,25

0 voters

there is a fan with 3 blades at 120 degree to each other whose central circular disc has an area of 3pi sq cm and the blade length is (20- sqrt 3)cm long. if the tips of the blades are joined so as to form an equilateral triangle, what will be its area??

options: 900, 900 sqrt3, 900+9x, 3x+300

what is the unit digit of the following sum: 1+2^2+3^3+4^4+5^5+.........