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Recent questions tagged numbersystem
+1
vote
2
answers
1
ISI2016DCG19
The expression $3^{2n+1}+2^{n+2}$ is divisible by $7$ for all positive integer values of $n$ all nonnegative integer values of $n$ only even integer values of $n$ only odd integer values of $n$
asked
Sep 18
in
Numerical Ability
by
gatecse
Boss
(
16.8k
points)

18
views
isi2016dcg
numericalability
numbersystem
remaindertheorem
+2
votes
2
answers
2
ISI2018DCG1
The digit in the unit place of the number $7^{78}$ is $1$ $3$ $7$ $9$
asked
Sep 18
in
Numerical Ability
by
gatecse
Boss
(
16.8k
points)

58
views
isi2018dcg
numericalability
numbersystem
unitdigit
+2
votes
1
answer
3
ISI2018DCG2
If $P$ is an integer from $1$ to $50$, what is the probability that $P(P+1)$ is divisible by $4$? $0.25$ $0.50$ $0.48$ none of these
asked
Sep 18
in
Probability
by
gatecse
Boss
(
16.8k
points)

23
views
isi2018dcg
probability
numbersystem
0
votes
1
answer
4
ISI2018DCG15
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is $6$ $9$ $12$ $18$
asked
Sep 18
in
Numerical Ability
by
gatecse
Boss
(
16.8k
points)

13
views
isi2018dcg
numericalability
numbersystem
geometry
parallelograms
+1
vote
1
answer
5
ISI2018DCG30
Let $0.01^x+0.25^x=0.7$ . Then $x\geq1$ $0\lt x\lt1$ $x\leq0$ no such real number $x$ is possible.
asked
Sep 18
in
Numerical Ability
by
gatecse
Boss
(
16.8k
points)

26
views
isi2018dcg
numericalability
numbersystem
inequality
+3
votes
2
answers
6
UGCNETJune2019II18
Consider the equation $(146)_b +(313)_{b2} = (246)_8$. Which of the following is the value of $b$? $8$ $7$ $10$ $16$
asked
Jul 2
in
Digital Logic
by
Arjun
Veteran
(
425k
points)

294
views
ugcnetjune2019ii
numbersystem
0
votes
0
answers
7
selfdoubt
How do we perform 0 – 1 in 2’s complement subtraction using 1bit register??
asked
Mar 21
in
CO and Architecture
by
Doraemon
Junior
(
729
points)

27
views
numbersystem
+1
vote
2
answers
8
Self Doubt
How addition of $+3$ and $3$ in sign magnitude form is $5?$
asked
Mar 19
in
Digital Logic
by
srestha
Veteran
(
117k
points)

51
views
numbersystem
digitallogic
0
votes
1
answer
9
SELF DOUBT
In Single Precision floating point number when E=0 and M not equals to 0 it represents a fractional form..(BiAS=+127) when writing the decimal form why do we right (1)^S * (1.M) * 2^(126) instead of (1)^S * (1.M) * 2^(127)??
asked
Feb 10
in
CO and Architecture
by
DIYA BASU
(
233
points)

45
views
numbersystem
0
votes
3
answers
10
self doubt
How to do:(1000)base3 – (121)base3 without converting them to base 10 the final answer should be in base3
asked
Feb 4
in
CO and Architecture
by
DIYA BASU
(
233
points)

72
views
numbersystem
0
votes
0
answers
11
SELF DOUBT
what is (120)base 10=( ? )base 64 ??
asked
Feb 4
in
CO and Architecture
by
DIYA BASU
(
233
points)

99
views
numbersystem
0
votes
0
answers
12
MadeEasy Subject Test 2019: Digital Logic  Number Systems
Even after seeing the solution I was unable to understand this question: Can any one tell whats happening here:
asked
Jan 26
in
Digital Logic
by
Nandkishor3939
Active
(
1.3k
points)

94
views
numbersystem
digitallogic
madeeasytestseries2019
madeeasytestseries
0
votes
1
answer
13
Number system
If N=.xyzxyzxyz……… N is a repeating non terminating decimal number then the natural number by which N can be multiplied so that the resultant is a natural number is a)495 b)1001 c)891 d)4995
asked
Jan 10
in
Numerical Ability
by
junaid ahmad
Loyal
(
8.5k
points)

102
views
numbersystem
0
votes
0
answers
14
Number system
If all the natural numbers starting from $1$ are written side by side $ (123456789….), $ then find the $100^{th}$digit of this series $(A) 2$ $(B) 3$ $(C) 0 $ $(D) 5$ $(E)$None of these
asked
Jan 5
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
54.9k
points)

102
views
numbersystem
generalaptitude
0
votes
0
answers
15
Complementary Number Systems
If N = 670 in base 9 system. Then find the radix complement of N.
asked
Nov 28, 2018
in
Digital Logic
by
saptarshiDey
(
117
points)

117
views
numbersystem
numberrepresentation
digitallogic
0
votes
1
answer
16
Self doubt on factorization
In $900$ how many $(A)$ Number of factors(divisors) are possible$?$ $(B)$ Number of Even factors are possible$?$ $(C)$ Number of Oddfactors are possible$?$ $(D)$ If the number is divisible by $25$ then a number of factors are possible$?$ $(E)$ Sum of factors$?$ $(F)$ Product of factors$?$
asked
Nov 17, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
54.9k
points)

108
views
generalaptitude
numbersystem
factors
+1
vote
1
answer
17
Aptitude: Number System
A man has two sons . To the elder he gave 5/11 of his property,to the younger 5/11 of remainder , the rest to his wife. Find the share of the sons if his wife gets Rs.3600? How to solve these type of questions in less Time (Any Trick) ?
asked
Oct 22, 2018
in
Numerical Ability
by
Ashish Roy 1
(
167
points)

123
views
numbersystem
generalaptitude
+1
vote
0
answers
18
Find the Last two digits
Find the last two digits of the given number $1) 21^{99} $ $2) 41^{9999} $ $3) 31^{2019} $ $4) 91^{2018!} $
asked
Oct 18, 2018
in
Numerical Ability
by
Lakshman Patel RJIT
Veteran
(
54.9k
points)

81
views
numericalability
numbersystem
+1
vote
1
answer
19
Number system Doubt
If (4446)x + (2222)x = (10001)x then value of (2342)x  (1656)x = (?)x how to solve these kinds of questions?
asked
Sep 23, 2018
in
Digital Logic
by
aditi19
Active
(
5.1k
points)

136
views
digitallogic
numbersystem
0
votes
0
answers
20
ISI2017PCBA2
Let $a, b, c$ and $d$ be real numbers such that $a+b=c+d$ and $ab=cd$. Prove that $a^n+b^n=c^n+d^n$ for all positive integers $n$.
asked
Sep 19, 2018
in
Numerical Ability
by
jothee
Veteran
(
105k
points)

28
views
isi2017pcba
numericalability
numbersystem
descriptive
0
votes
0
answers
21
ISI2016MMA12
Suppose there are $n$ positive real numbers such that their sum is 20 and the product is strictly greater than 1. What is the maximum possible value of n? 18 19 20 21
asked
Sep 13, 2018
in
Numerical Ability
by
jothee
Veteran
(
105k
points)

14
views
isi2016mmamma
numericalability
numbersystem
0
votes
1
answer
22
ISI2016MMA15
The number of positive integers $n$ for which $n^2 +96$ is a perfect square $0$ $1$ $2$ $4$
asked
Sep 13, 2018
in
Numerical Ability
by
jothee
Veteran
(
105k
points)

19
views
isi2016mmamma
numericalability
numbersystem
0
votes
0
answers
23
ISI2016MMA16
Suppose a 6 digit number $N$ is formed by rearranging the digits of the number 123456. If $N$ is divisible by 5, then the set of all possible remainders when $N$ is divided by 45 is $\{30\}$ $\{15, 30\}$ $\{0, 15, 30\}$ $\{0, 5, 15, 30\}$
asked
Sep 13, 2018
in
Numerical Ability
by
jothee
Veteran
(
105k
points)

11
views
isi2016mmamma
numericalability
numbersystem
remaindertheorem
0
votes
0
answers
24
ISI2016MMA17
The number of positive integers $n$ for which $n^3 +(n+1)^3 +(n+2)^3 = (n+3)^3$ is $0$ $1$ $2$ $3$
asked
Sep 13, 2018
in
Numerical Ability
by
jothee
Veteran
(
105k
points)

13
views
isi2016mmamma
numericalability
numbersystem
0
votes
1
answer
25
decimal to hexadecimal (any faster method)
asked
Sep 6, 2018
in
Digital Logic
by
Sanjay Sharma
Boss
(
48.8k
points)

63
views
number
numbersystem
0
votes
1
answer
26
Ace Test Series: Digital Logic  Number System
asked
Aug 20, 2018
in
Digital Logic
by
Shubham Aggarwal
Active
(
1.8k
points)

112
views
acetestseries
digitallogic
numbersystem
0
votes
1
answer
27
BCD SUM CORRECTION
Q) Let the binary sum after BCD addition is stored in K, Z8, Z4, Z2, and Z1. Then the condition for a correction and output carry can be expressed as C = A) K + Z8 Z4 + Z8 Z2 B) K + Z8 Z4 + Z4 Z2 C) K + Z8 Z2 + Z8 Z1 D) K + Z4 Z2 + Z2 Z1
asked
Jul 22, 2018
in
CO and Architecture
by
shaz
(
369
points)

76
views
bcd
computerarchitecture
numbersystem
0
votes
2
answers
28
2's compliment
2's complement (2's complement) = original number, in above fig in the 2nd stage we get the original number after that we again take 2's compliment?? 3 times 2's complement of input??
asked
Jul 7, 2018
in
Digital Logic
by
Hira Thakur
Boss
(
14.7k
points)

60
views
number
numbersystem
+4
votes
1
answer
29
Number system
Q. Find $r_1$ and $r_2$ without using quadratic equation. $(235)_{r_1}= (565)_{10}=(1065)_{r_2}$ a) $r_1=16$ & $r_2=8$ b) $r_1=10$ & $r_2=16$
asked
May 29, 2018
in
Digital Logic
by
Mr khan 3
(
101
points)

248
views
digitallogic
numbersystem
+1
vote
2
answers
30
ISIMTECHCSE2018
One needs to choose six real numbers $x_1,x_2,....,x_6$ such that the product of any five of them is equal to other number. The number of such choices is $3$ $33$ $63$ $93$
asked
May 20, 2018
in
Combinatory
by
jjayantamahata
Active
(
1.5k
points)

590
views
userisi2018
usermod
numbersystem
permutationandcombination
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