CAT Quantitative Aptitude | Quant Questions 2017- PaGaLGuY

the internal angles of  a convex polygon are in ap with cd 10. if the smallest angle is 100 degrees. Find the number of sides of this polygon

Approach please

 In a nut-bolt factory 180 workers are working for 6 hrs a day. Out of 180 workers there are some men,some women and rest are boys. All the workers can produce either nut or bolt or both of them. A man can produce 60 nuts and 80 bolts in each hour and a woman can produce 30 nuts and 60 bolts per hr. A man is thrice as efficient as a boy and 3/2 times as a woman. given that all men,all women and all boys produce equal number of articles of one kind (i.e., either nut or bolt) per hour.

1. working 6 hrs a day, how many nuts they can produce with 52500 bolt in each day? a) 17500 b) 26250 c)50850 d)can't be determined2. in how many hours can 15 men,12 women and 8 boys can produce 12000 nuts and 8200 bolts? a)3 b)5 c) 6 d) none of these3) if 30 women and 50 boys can produce 5400 bolts in one hour then to produce equal number of nuts in one hour how many men are required? a)30 b)40 c)50 d) none of these4) if the manager of the factory wanted equal number of men, women and boys in his factory but the efficiency of a man,woman and a boy remains constant, then the change in production is- a)increased by 10% b)decreased by 10% c) increased by 8.33% d)none of these


Pls someone solve this!


 Let a, b and c be the roots of x^3 - 2x^2 + 2x + 4 = 0. Find the value of 1/(a^2 + b^2) + 1/(b^2 + c^2) + 1/(c^2 + a^2) + 1/4. 

ABCD is a square. P is an inner point such that PA,PB,PC equals 1,2,3 Find angle APB. 


Total number of triangles?

http://imageshack.com/a/img924/9783/gTfc6c.jpg

Repost: Thread for IMS SimCATs 2017

https://www.pagalguy.com/discussions/2017-ims-mocks-scores-discussion-simcats-proctored-and-unproctored-5640949696823296

What is the third digit from the last for the following series 1!+2!+3!+.... Please explain the solution

This is something irrelevant to this thread. But just wanted to ask if you have to mention one issue which makes maximum headlines these days, what would that issue be? 

Please don't say Narendra Modi, Kejriwal etc. :p 

If k(N) denotes the number of ways of expressing N as a difference of two perfect squares, then which of the following is the least?

k(187), k(120), k(110), k(105)

Find the sum of all factors of 324, which are multiples of 3 ..

approach please.


finding the third digit from last for (2345)^67! . Approach please..

http://imageshack.com/a/img922/6669/lfQgP2.png


1. 2a^6

2.3a^6

3,2a^5

4.3a^5

Friends, I have prepared a few problems on Number systems. Have a look. Let me know if you like them.

https://docs.google.com/document/d/1MoTZXcY2sx1L-2cc_-c0KrJj4OtSYQoOIhGvqz_2EeQ/edit?usp=sharing

This question was posted in many forums, I din understand the answer. Hoping for discussion so that answer is clear

Is a^6 - b^6 divisible by (a^4 + a^2 b^2 + b^4)?

How to solve?

 Anyone who's preap fr CAT17 who needs books/study materials/ past yr question papers, Plz let me knw..I Hav hell lot of them - (Bangalore) 

Please explain Q 44,45.

Please explain Q40