Official Quant thread for CAT 2013

MBA CAT 2024
42163

is it possible to solve every question of time and work if we assume the total work ..please solve this question to help me understand :-

a tank is filled by two pipes a and b
a takes 30 minutes to fill the tank and b takes 60 minutes to fill the tank , there's another pipe c which is outlet pipe takes 90 minutes to empty the tank .
for the first 9 minutes only a and b are opened and then c is opened how much more time the tank will take to fill up 😐
42164

In how many ways 10 ppl in a line can be arranged such that 8 particular ppl are never together?

42165

a 5 digit no. formed using digits 1, 3, 5, 7, 9. without repeating any one of them. what is the sum of such possible nmbrs.???

  • none of these
  • 6666600
  • 6666660
  • 6666666

0 voters

42166

In three distinct regular polygons, it is known that the measure of the internal angle of one regular polygon exceeds the measure of the internal angle of the other two regular polygons by 15° and 27° respectively. Furthermore, the sum of the measures of the external angles of all the three regular polygons is 177°. What is the sum of the number of sides of all these three regular polygons ?

a. 17

b. 18

c. 19

d. 20

42167

Answer the question in image..

  • A
  • D
  • C
  • B

0 voters

42168

Answer the foll.:

42169

the number of positive integral solution of abc = 30 is


Pls explain answer as well

  • none of these
  • 243
  • 81
  • 27

0 voters

42170

guys does anyone has a compiled set of geometry theorems and applications..if u have plz mail me at snehashisc @gmail !! thanks in advance!

42171

How many natural numbers less than 100 when squared and divided by 24 leave a remainder of 1 ?
a) 30
b) 33
c) 32
d) 34

Please do not post answers without explanation. Answer toh mujhe bhi pata hai 😁

42172

puys..shudnt d answer for this question be 325???
PS: aimcat 1401 question


42173

In how many ways can 5 ppl sit in a circle such that particular 2 ppl are never together?

42174

There are two circles of equal radius , such that they pass through each others center . what would be the 1) perimeter

2)area

of the overlapped region .

Sorry Puys , i dont have answer options for this , but these types are coming in examinations a lot .

Can you please help me with the approach !!

  • Help required
  • Help required

0 voters

42176

If you're posting CAT questions(YOU SHOULD NOT BE DOING THIS),At least be smart and don't tag it as CAT2013 (NO!I AM NOT ENCOURAGING YOU TO POST THEM)

42177

Which of the following are factors of 3^259+2^296
1) 16 2) 349 3) 2443
a. only 3
b. 2 and 3
c. 1 and 3
d. all of them

42178

if a x b x c x d = 210 then how many solutions are there for this equation.

a,b,c,d are natural numbers

1) 24
2) 96
3) 256
4) 180

kaise hoga yaar?
42179

Q There are 20 coins of denominations 50p, 20p ,5p. What is the minimum integer amount that can be formed from these coins (for every denomination atleast one coin is present and all the 20 coins have to be used)??


a) 1
b) 2
c) 3
d) 4
e) 5
42180

here is the sol to the max area wala sum...
@Shirishlko @koolkaps3

42181

In how many different ways can a cube be painted if each face has to be painted either red or blue?
10
12
16
20

42183

What is the highest power of 5 in 10!*100!*1000! ?? 😛 :drinking:

42184

In how many ways can 18 identical balls be distributed among 3 identical boxes.... ???