The number is 1233 = 12² + 33². Let's say the four digit number = N = abcd = XY = 100X + Y = X² + Y² => (X - 50)² + (Y - 1/2)² = 50² + (1/2)² => 4(X -...
4076
Rajesh Balasubramanian
ascentcatprep
Apr 2, 2011 6:31 am
Spot on. This answer is correct. There is one more solution to this question. Any other attempts? Rajesh 99626 48484 ... Spot on. This answer is correct. There...
4077
sindhu n
sindhu_kvkr
Apr 7, 2011 1:53 pm
the other solution is 8833 50-x= -38Â from kamal's solution. Â -Sindhu ... From: Rajesh Balasubramanian <rajesh@...> Subject: Re: [2IIM CAT Prep]...
4078
Rajesh Balasubramanian
ascentcatprep
Apr 22, 2011 5:36 am
Hi all, Have given below a few questions from Number Theory. These can also be found at the blog at http://iimcat.blogspot.com/2011/04/cat-number-theory.html ...
4079
Sikander Saini
sikander.saini
Apr 23, 2011 5:07 am
Hi I have tried these questions & according to me answer to these are: Ans1: There are 6 faces so we have following equation (f1+f6) (f2+f5) (f3+f4) = 385 So...
4080
Junaid Kirkire
j_kirkire
May 24, 2011 4:08 am
Can anyone explain solution to question 4? Question:-  How many positive integers exist such that they divide 10 raised to 11 but  not 10 raised to 10? ...
4081
Rajesh Balasubramanian
ascentcatprep
Jun 3, 2011 2:33 am
HI all, CAT has been consistently asking questions combining basic number theory and counting. So, it is probably good practice to have a go at these. As...
4082
sanjeev kumar mishra
sanjeev1979_...
Jun 4, 2011 4:13 am
Sir,  is the answer of 1st question is 54 ? --- On Fri, 3/6/11, Rajesh Balasubramanian <rajesh@...> wrote: From: Rajesh Balasubramanian...
4083
Rajesh Balasubramanian
ascentcatprep
Jun 4, 2011 4:54 am
Hi all, Given below are the solutions to the questions on number theory and counting. The solutions can also be found at our blog ...
4084
gpgaurav2004
Jun 7, 2011 5:21 am
In question three i think there will be 25 numbers more with first digit as 0 for example 7 in base 6 is 011..... therefor 70 numbers need to be subtracted ...
4085
Rajesh Balasubramanian
ascentcatprep
Jun 7, 2011 5:26 am
Hi all, Given below are a few true/false type questions on geometry. These can alse be found at our blog at ...
4086
piyush khadgi
piyush_l_khadgi
Jun 8, 2011 6:05 am
can an one simply explain what standard deviation and harmonic mean is this is in reference to the following questions 7. Recently smoking at public places is...
4087
kamal lohia
kamallohia
Jun 9, 2011 2:18 am
My Answers: 1. T 2. F 3. T 4. T 5. T(if three are non-collinear points) 6. T 7. F 8. T 9. T 10. T Kamal Lohia 9953813320 ________________________________ From:...
4088
Rajesh Balasubramanian
ascentcatprep
Jun 11, 2011 4:09 am
Hi all, Given below is the answer key to the set of True of False questions. These can also be found at ...
4089
Ashish Mishra
ashish.nitb
Jun 20, 2011 10:07 am
Q1. There are 7 zeroes in the end of 30! (factorial 30). Which digit precedes these zeroes? Â a.8 b.3 c.4 d.7 Â Â Q2. Avg of three prime numbers is...
4090
luvkush
mohit_luvkush
Jun 20, 2011 10:08 am
hi alll... Q.find the next no of the sequence... 2,4,7,35,42,462,.........
4091
Navin Sinha
navinsin
Jun 20, 2011 10:13 am
Ashish, Even 5, 7, 211 will have the average 223/3. Does that give a clue ?...
4092
shahham@...
shahham
Jun 20, 2011 10:21 am
As for the question relating to the prime numbers, the numbers could also be 67, 73 & 83 or 61, 73 & 89 or any other such combination that is prime and adds up...
4093
Rajesh Balasubramanian
ascentcatprep
Jun 20, 2011 10:21 am
Is the sequence 2, 4, 7, 35, 42, 462, 475, Regards, Rajesh...
4094
sindhuja
sindhujaa_2004
Jul 22, 2011 4:55 am
Hi all Kindly help me solve the following problem in the easiest way possible. A year ago the salaries of Anup and Bunty were in the ratio 2:3. the ratio of...
4095
vikrant jawla
vikrant_jawla
Jul 22, 2011 4:57 am
Hi all, Ans is 8 for first problem of 30!. Vikrant jawla Branch Head, Career Launcher,Meerut email: vikrant_jawla@... Contact No. 09927011962,09358005977...
4096
Deepak Upreti
deepak.srm1406
Jul 22, 2011 4:57 am
Hi all Five students are selected to participate in three different competition such that at least one student participate in each competition. In how many...
4097
Prathamesh
psamrutkar
Jul 22, 2011 4:58 am
4098
Prathamesh
psamrutkar
Jul 22, 2011 4:58 am
4099
RAVI RAI
ravirai.1991
Jul 22, 2011 4:58 am
what is the h.c.f of a=11111.............120times b=111111............160times...
4100
deepak narayanan
deepak1982_n...
Jul 22, 2011 4:58 am
Q1. There are 7 zeroes in the end of 30! (factorial 30). Which digit precedes these zeroes? a.8 b.3 c.4 d.7 I could get the number as 2 . Taking the first 10...
4101
raj beniwal
raj_bnwl
Jul 22, 2011 4:58 am
both  questions have answere as C ________________________________ From: "shahham@..." <shahham@...> To: ascent4cat@yahoogroups.com Sent: Monday,...
4102
sanjeev kumar mishra
sanjeev1979_...
Jul 22, 2011 4:58 am
the digit preceding the seven zeros will be 8. ... From: Ashish Mishra <ashish.nitb@...> Subject: [2IIM CAT Prep] number theory problem To:...
4103
Karun Reddy
karunreddy...
Jul 22, 2011 5:12 am
i think the series is 2,4,7,35,42,462,474...
4104
Akash
akash_ar
Jul 27, 2011 6:17 am
Could some1 pls explain how ? Thanks Sent from my iPhone...