[sherry vaidya]

Hello Varun Sir
can there be an extra doubt session type class for speed enhancement techniques?
(AA batch)

[ayushi gupta]

Me too interested in speed enhancement class!! 

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[Varun Gupta]

We can discuss these techniques online, in person at American Center Cp or Oxford Book store, CP or any way you plan.

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[sherry vaidya]

yes sir
as per ur schedule we can fix time, place n date to discuss.
n all the students who r intrested cn contct u.

[pooja talwar]

ques: Find the number of numbers less than 2^14 and co-prime to it.

A) 2^12
B) 2^22
C) 2^23
D) 2^13


Ans is D) 2^13

[pooja talwar]

Ques: If N=1+2+2+3+3+3+4+4+4+4+4+....................(n+n+n+n+n+...........n
times), then the value of N will be

A) n*n
B) n*n*n*n*n
C) [2{n(n+1)}\2]
D) n\6(n+1)(2n+1)


Ans is D)

[pooja talwar]

Ques: A number when divided by a divisor D leaves a remainder of 13.
When thrice the number is divided by D , the remainder obtained is 2.
Find the number.

A) 0
B) 1
C) 2
D) 3


Ans is b) 1

Kindly reply with solution.

[pooja talwar]

Ques: X is a number formed by the first 100 digits of the number N
which is formed by writing 100 natural nos one after another as
follows 1234567891011............ Find the remainder when X is
divided by 16.

A) 3
B) 6
C) 9
D)12



Ans is C) 9


Please reply with solution.

[pooja talwar]

Ques: If k(N) denotes the number of ways of expressing N as a
difference of two perfect squares, then which of the follwung is the
leat?

A) k(187)
B) k(120)
C) k(110)
D) k(105)


Ans is C)


Kindly reply with answer please.



Ques: Find the sum of all the factors of 324, which are multiples of 3?

A) 846
B) 840
c) 648
D) 852


Ans is B) 24

[pooja talwar]

For the multiple of 3 oe ques ans is B) 840 not B) 24.

[pooja talwar]

For the multiple of 3 one ques ans is B) 840 not B) 24.

On 1/30/14, pooja talwar <poojatalw...@gmail.com> wrote:

[Prashant Sharma]

Are you sure of the options.?

[arpit gupta]

N=D*a+13 (Ist equation)

3N=D*b+2 (2ND euation)

 

multiply ist equation by 3

 

3N=D*a+39 (3rd eqation)

 

equating 3 and 2 eqation

 

D*b+2= 3Da+39

 

(D) (b-3a)=1 *37

 

so the value of is 1

 

 

[manika kapoor]

hw cn 1 leave a remainder other dan 0 ???

On Thu, Jan 30, 2014 at 7:17 PM, Prashant Sharma <prasha...@gmail.com> wrote:

[manika kapoor]

wat r we suppose to find, the number "N" or d divisor "D"?

[Rk Pandey]

No. is 50 and divisor is 37

approach ... 1st case no has to be DQ+ 13 and when multiplied by 3 , no. becomes 3DQ+39.. Nw leave 3DQ and concentrate on remainder

39 should be in form of P* any quotient + 2 so divisor should be in form of 37n... and lowest possible value is 37 for divisor and no. is 50

For RachTR Chemicals Pvt. Ltd.

Ramakant Pandey

B.Tech Chemical I PGDM- IIM Lucknow

P-39 South Extension Part II

New Delhi

+91-9871198204

For the wise man who looks into space and he knows there are no limited dimensions

[Surjeet Gupta]

[pooja talwar]

yes

[pooja talwar]

Ans is 1 only.

[pooja talwar]

The question is find the number of possibilties for D? I am really
sorry for the earlier wrong question.

[pooja talwar]

[pooja talwar]

kindly reply.

---------- Forwarded message ----------
From: pooja talwar <poojatalw...@gmail.com>

[pooja talwar]

kindly reply.
---------- Forwarded message ----------
From: pooja talwar <poojatalw...@gmail.com>
Date: Thu, 30 Jan 2014 18:49:46 +0530
Subject: [suii-generis: 17376]
To: suii_generis <suii_g...@googlegroups.com>

[Abhilash Chandra]

here N=123456789....53545  ( Y ? bcoz 123456789 =9 digits , 101112.......54 =2*45=90 digits , and one last digit will come as 5 from 55)

finally to check divisibility from 16 see the last 4 digits of N .. 3545/16 ---remainder =9.

thats ur answer..:)

[NIRMIT JUNEJA]

d solution is dere r 9 digits frm 1-9....den from 10 to 19 dere will be 20dgts smlrly 20 to 29 20 more dgts/....30 to 39 20 dgts...40 49  20 dgts.............dats total of89 dgts we need 11 more dgts so we wud move fwd upto 54 dat means 99 dgts...next dgt wud be of 55...nd last four numbrs reqd are thus...3545 which when dvded by 16 gves 9

[Varun Gupta]

there are 9 single digit natural nos.

..............90 two ....digit...............

..............900 three ......................

...............9000 four ....................

[Tushar Sharma]

can u send me the further email the following address as this account will be shutdown for a few mnths ...

tushar...@yahoo.co.in

[manika kapoor]

For remainder of no. On division by 16 we check the remainder wid last four digits of d no.

In dis case, d last 4 digits will be 3545 which on division by 16 gives remainder 9

[abhishek chakrobrotty]

Are you sure bout the answer?

Coz for a number divisible by 16, its last 4 digit has to be divided by 16. Taking last 4 digit on X which is, 9100, we fall 4 short to divide it completely by 16. hence if the last 4 digits have been 9104 then the number d have been divisible by 16. So 9100 it falls short 12 to be perfectly divisible .

Guess answer is D.

[Abhilash Chandra]

10,11,12............................ all are 2 digit nos . so count dm 2 not 1.