CAT Quantitative Aptitude Questions 2022 โ€“ PaGaLGuY

Nirav plans to prepare a schedule for a seven day in which he play exactly one sport out of cricket, football, hockey and volleyball on each day. The number of schedules that Nirav can prepare in which each of the sports is played on at least one day in the 7 day period is ?

ย 
If 0ย โ‰ค yย โ‰ค 20 and 0ย โ‰ค x, how many integral values of (x, y) satisfy the equation 3y^2 + 1 = x^2? ย 


Rohit has Rs 100 comprising of 27 coins of denomination of 1,2,5 each coin should be atleast one.. number of ways of this happening.. i am getting 1..!

The product of all factors of N is N^4. If N <100. Find number of possibility of N.

range of x for ๐‘ฅ3 โˆ’ 3๐‘ฅ + 5 > 0,ย 

ans d, pls explain

  • x > 0
  • -โˆž< x <โˆž
  • both a and b
  • x < 0

0 voters

range of x for under root(1 - x+2/x^2) < 2/3, ans a, pls explain

  • โˆ’ 6/5 < ๐‘ฅ โ‰ค 3
  • 2 โ‰ค ๐‘ฅ โ‰ค 3
  • โˆ’ 6/5 < ๐‘ฅ โ‰ค โˆ’1
  • โˆ’ 6/5 < ๐‘ฅ โ‰ค โˆ’1 ๐‘œ๐‘Ÿ 2 โ‰ค ๐‘ฅ โ‰ค 3

0 voters

http://imgur.com/aq74DB1


Please explain me the method mentioned in the answers. Why it is taken as ย ย ย ย 11-iCi?

There are three acid solutions named P,Q, and R with concentrations 20%, 30%, and 50% respectively. If 'x' ml pf solution P, 'x+5' ml of solution Q and'x+15' ml of solution R are mixed, the resultant solution had 38% concentration. What can be said about the value of x? I know the traditional method. Is there any other method to solve it?

Does anyone know like which can b the most imp chps in quant frm cat point of view coz the portion is vast and a few formula based chps are least imp i heard

The 1st, 8th and 22nd terms of an AP are three

consecutive terms of a GP. Find the common

ratio of the GP, given that sum of first 22

terms of the AP is 385.

a. Either 1 or 1/2 b. 2

c. 1 d. Either b. or c. pls explain

nice post

Any body having pearson quantum CAT book pdf ?

http://img.ctrlv.in/img/16/09/19/57dfcd5b41677.png

Three pipes of varying diameters can fill the vessels of 1,2,3 L in 4,18,48 min resp. What is the ratio of their diameters? Assume speed of flow is same in all cases........ shortcut of this?

find the value of k if the equation 3x+(k/3+2)y =1 and kx+2ky=4 have infinite solution

Solve this with shortcut

If 10pumps ,each of 150watt can raise 500 L of water from a well in 6hrs,how many pumps of 250watts are required to raise 1000 litres of water in 8hours.....I forget chain rule help me out!

a^a * b^b is divisible by 2000, what can be the minimum value of ab, where a,b are positive integers.

Please suggest a short method.


ย 
A number when divided by 89 leaves a remainder of 7 and when divided by 113 leaves a remainder ofย 23. How many such 5 digit numbers are there? ย 


If the geometric mean of the first n terms of the geometric progression 4, 8, 16, โ€ฆ.. is 1024, then find the value of n.

mention the approach too.