Showing posts with label Number System. Show all posts
Showing posts with label Number System. Show all posts
Sunday, August 29, 2010
Sunday, June 13, 2010
Thursday, June 10, 2010
Saturday, June 5, 2010
Friday, April 23, 2010
Friday, April 16, 2010
Friday, October 30, 2009
some more questions on LCM funda....
Some Questions for Practice:
1.) N = 123456……………..142143, What is the remainder when N is divided by
(a) 36
(b) 72
(c) 18
(d) 6
2.) N = 42+442+4442+……….(88 terms) is divided by 36. What is the remainder?
3.) X = 22233344455566677788, Remainder when X is divided by
(a) 888
(b) 111
(c) 333
1.) N = 123456……………..142143, What is the remainder when N is divided by
(a) 36
(b) 72
(c) 18
(d) 6
2.) N = 42+442+4442+……….(88 terms) is divided by 36. What is the remainder?
3.) X = 22233344455566677788, Remainder when X is divided by
(a) 888
(b) 111
(c) 333
Friday, March 13, 2009
base sys....
A +ve integer x; (100 < x < 150); is represented in base 2, base 3, base 4 and base 5 notation. In all the 4 cases the last digits are 1, 2, 3 and 4 respectively. What will be the last digit when x is represented in base 6??
base sys...
Let N=233456 , How many ordered pairs (a,b) exist if h.c.f.(a,b) = 1 & a and b are factors of N??
Saturday, February 28, 2009
gd 1..
I knw by adjusting 90, 91, 92, 93, 94, 95, 96 there r 7! possible numbers. How many of them are perfect square???
remainders..........
what are the remainders wn following expressions are divided by 144?
(A)1^5+2^5+3^5+....................44^5+45^5
(B)(1^5)(2^5)(3^5)....................(44^5)(45^5)
(C)1^5,2^5,3^5,....................,44^5,45^5written in a line 2get a huge no.
nd d options are
(a)zero
(b)81
(c)117
(d)45
(e)None of these
(A)1^5+2^5+3^5+....................44^5+45^5
(B)(1^5)(2^5)(3^5)....................(44^5)(45^5)
(C)1^5,2^5,3^5,....................,44^5,45^5written in a line 2get a huge no.
nd d options are
(a)zero
(b)81
(c)117
(d)45
(e)None of these
Wednesday, January 28, 2009
Repunit no...
if R(n) = 1111111.....111 (n times), then R(n) is known as repunit no. For how many 256 < n < 343, R(n) will be perfect square???
Saturday, January 10, 2009
find d remainder...
***remainder when 141414141........1414 (404 digits) is divided by 909??
(a) 9
(b)303
(c)101
(d)505
(e) none of these
(a) 9
(b)303
(c)101
(d)505
(e) none of these
Wednesday, January 7, 2009
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