CAT Quantitative Aptitude | Quant Questions 2017- PaGaLGuY

Guys what do you think of Hitbulls Eye mocks?

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The greatest no. Which will always divide 27^2n - 11^2n

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  • 718
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Solution to question 3 please

Solution to question 6 pls

Guys it is very basic question par answe nahi AA raha mera please solve.... If requires 90 g paint for painting a door 12 cm × 9 cm. how much paint is required for painting a similar door 4 cm ×3 cm?

In an isosceles triangle abc, AD is the median to the unequal side meeting BC at D. DP is the angle bisector of angle ADB and PQ is drawn parallel to BC meeting AC at Q then angle PDQ=?

a grid of lines comprised 21 equidistant lines parallel to x axis and 31equidistant lines parallel to y axis, a straight line is now drawn from one corner of grid to diagonally opposite corner , at how many distinct pts does the diagonal line intersect the lines in grid?

Actually i know a generic formulae regarding these problems but i m bit skeptic about it so plz if anyone can confirm me its correctness

[(no of lines || to x axis + no of lines || to y axis ) -1] 

and it would be appreciable if anyone can explain me the actual method to solve such questions ..

Guys in below question can we calculate the radius of sphere directly by considering cone as an equilateral triangle and calculating inradius ?

The reduction in length of the cloth that a weaver will weave on a day is directly proporational to the sqaure root of no of days for which he has already worked since his last break ,if the only break that the weaver took in august was on 1st aug and the lenghth of cloth that he wove on 18aug and 27aug are 14m nd 10m resp ,then find the legth of cloth tht he wove on 2nd aug....

plz help me with this guys.. 

12th sum anyone?

How to solve this..

Can anyone please help me with q.39 ?

in how many ways the letters of the word COMPLEX be arranged so that the vowels appear at odd places only?

Please explain 18 & 19

Explain

Please explain

 

 N is a number such that 200 < N < 300 and it has exactly 6 positive divisors. How many different values of  N are possible? 

A. 12  B. 13 C. 14 D. 15  
 

Now i understand that the number would be of the form ab^2 or a^5...but how do i proceed further ...is it hit and trial or do we have any other method?


Thanks in advance
 

 someone explain solution solution is in comment box A is 80 % more efficient than B who is 60% more efficient than C. A takes 40 days less than B to complete a work. A starts the work and works for 25 days and then B takes over. B then work for the next 30 days and then stops. In how much more time can C complete the remaining work?

Guys i have opted for tomorrow to give uninvigilated AIMCAT 1810, but might not be able to give it . Can I give it on Sunday or after the window closes

 ? Will there be a problem in getting percentile/ranking etc?

Those who gave cat last yr in delhi are the cat centres there reachable by metro ?