CAT Quantitative Aptitude | Quant Questions 2017- PaGaLGuY

Consider following points:(0,0),(15,15),(0,30).Calculate the number of integral points inside the given figure.

Guys any links for groups for CAT 2017, help would be appreciated!!

2ne question anyone?

43

30,31

Anyone?

What is the remainder when 13^2013 is divided by 100?

Source: Aimcat 1813, could anyone explain this question?

Please explain the solution in simple language.

Anyone?

Q.9 please

Guys....q.23 n 25 ...Please help

Approach please

Anyone please? Just the approach

Pls help with Qtn no.66..

In how many ways five husband wife couples can dance in pairs in a night party? Provided they form five pairs of two persons each but in no pair a husband-wife couple was together.For example: if there had been only two husband-wife couples, then there are two ways of making such pairs (i) both husbands dance together and both wives dance together, (ii) each husband dances with other's wife or vice-versa. 

Answer :544

Pls Share your approach. 

 A and B are racing on a circular track. They start simultaneously and it is known that A meets B for the first time after he finishes his 5th round and before he finishes his 6th round. If it is known that there are 4 unique points where they can meet which of the following cannot be the ratio of their speeds. 

1. 21 : 25

2. 21 : 17

3. 23 : 19

4. 27 : 23 

Please help in solving below question

coefficient of x2 in the exp (1+x)(1+2x)(1+3x)…(1+nx).

How to solve this question..

Do.anyone have google drive links of aimcat 2016 solutions ?