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Recent questions tagged number-system

4 votes

1 answer

91

ISI2018-DCG-2
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

gatecse asked in Probability Sep 18, 2019

758 views

1 vote

1 answer

92

ISI2018-DCG-15
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is $6$ $9$ $12$ $18$

gatecse asked in Quantitative Aptitude Sep 18, 2019

455 views

2 votes

1 answer

93

ISI2018-DCG-30
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.

gatecse asked in Quantitative Aptitude Sep 18, 2019

515 views

4 votes

2 answers

94

UGC NET CSE | June 2019 | Part 2 | Question: 18
Consider the equation $(146)_b +(313)_{b-2} = (246)_8$. Which of the following is the value of $b$? $8$ $7$ $10$ $16$

Arjun asked in Digital Logic Jul 2, 2019

by Arjun

4.0k views

0 votes

0 answers

95

self-doubt
How do we perform 0 – 1 in 2’s complement subtraction using 1-bit register??

Doraemon asked in CO and Architecture Mar 21, 2019

515 views

1 vote

2 answers

96

Self Doubt
How addition of $+3$ and $-3$ in sign magnitude form is $-5?$

srestha asked in Digital Logic Mar 18, 2019

604 views

0 votes

3 answers

97

self doubt
How to do:(1000)base3 – (121)base3 without converting them to base 10 the final answer should be in base3

DIYA BASU asked in Digital Logic Feb 4, 2019

453 views

0 votes

0 answers

98

SELF DOUBT
what is (120)base 10=( ? )base 64 ??

DIYA BASU asked in Digital Logic Feb 4, 2019

342 views

0 votes

0 answers

99

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:

Nandkishor3939 asked in Digital Logic Jan 25, 2019

by Nandkishor3939

497 views

1 vote

1 answer

100

Applied Course | Mock GATE | Test 1 | Question: 4
A number $5k89k2$ can be divided by $18$ if $k$ is $8$ $6$ $1$ More than one value possible

Applied Course asked in Quantitative Aptitude Jan 16, 2019

by Applied Course

734 views

0 votes

1 answer

101

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

junaid ahmad asked in Quantitative Aptitude Jan 10, 2019

by junaid ahmad

616 views

1 vote

0 answers

102

Number system
If all the natural numbers starting from $1$ are written side by side $ (123456789\dots), $ then find the $100^{th}$ digit of this series. $2$ $3$ $0$ $5$

admin asked in Quantitative Aptitude Jan 5, 2019

by admin

965 views

4 votes

3 answers

103

NIELIT 2018-2
Divide $88$ into four parts such as first part known as $a,$ second part $b,$ third part $c,$ and fourth part is $d,$ when $5$ is added to the first part, $5$ is subtracted from the second part, $3$ is multiplied by the third part and the fourth part is divided by $5,$ then all results ... $d$ respectively. $7, 17, 4, 60$ $8, 25, 5, 50$ $10, 30, 3, 45$ $17, 7, 4, 60$

Arjun asked in Quantitative Aptitude Dec 7, 2018

by Arjun

3.1k views

0 votes

0 answers

104

Complementary Number Systems
If N = 670 in base 9 system. Then find the radix complement of N.

saptarshiDey asked in Digital Logic Nov 28, 2018

by saptarshiDey

1.1k views

1 vote

1 answer

105

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 Odd-factors 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$?$

Lakshman Bhaiya asked in Quantitative Aptitude Nov 17, 2018

by Lakshman Bhaiya

710 views

1 vote

1 answer

106

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) ?

Ashish Roy 1 asked in Quantitative Aptitude Oct 22, 2018

by Ashish Roy 1

1.1k views

1 vote

0 answers

107

GateAcademy YouTube: Find The Last Two Digits
Find the last two digits of the given number $21^{99} $ $41^{9999} $ $31^{2019} $ $91^{2018!} $

Lakshman Bhaiya asked in Quantitative Aptitude Oct 18, 2018

by Lakshman Bhaiya

620 views

1 vote

1 answer

108

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?

aditi19 asked in Digital Logic Sep 23, 2018

2.1k views

0 votes

0 answers

109

Base related problem

sagar27 asked in Digital Logic Sep 23, 2018

318 views

0 votes

0 answers

110

ISI2017-PCB-A-2
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 $n$.

go_editor asked in Quantitative Aptitude Sep 19, 2018

320 views

0 votes

1 answer

111

ISI2016-MMA-12
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

go_editor asked in Quantitative Aptitude Sep 13, 2018

311 views

0 votes

1 answer

112

ISI2016-MMA-15
The number of positive integers $n$ for which $n^2 +96$ is a perfect square $0$ $1$ $2$ $4$

go_editor asked in Quantitative Aptitude Sep 13, 2018

333 views

0 votes

0 answers

113

ISI2016-MMA-16
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 $\{30\}$ $\{15, 30\}$ $\{0, 15, 30\}$ $\{0, 5, 15, 30\}$

go_editor asked in Quantitative Aptitude Sep 13, 2018

253 views

0 votes

0 answers

114

ISI2016-MMA-17
The number of positive integers $n$ for which $n^3 +(n+1)^3 +(n+2)^3 = (n+3)^3$ is $0$ $1$ $2$ $3$

go_editor asked in Quantitative Aptitude Sep 13, 2018

270 views

0 votes

1 answer

115

decimal to hexadecimal (any faster method)

Sanjay Sharma asked in Digital Logic Sep 5, 2018

by Sanjay Sharma

591 views

0 votes

1 answer

116

Ace Test Series: Digital Logic - Number System

Shubham Aggarwal asked in Digital Logic Aug 20, 2018

by Shubham Aggarwal

1.2k views

0 votes

1 answer

117

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

shaz asked in CO and Architecture Jul 22, 2018

by shaz

1.4k views

0 votes

2 answers

118

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??

Hira Thakur asked in Digital Logic Jul 7, 2018

429 views

4 votes

1 answer

119

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) $r_1=10$ & $r_2=16$

Mr khan 3 asked in Digital Logic May 29, 2018

2.5k views

1 vote

1 answer

120

How to find 4's complement of 7 base 10
How to find 4's complement of $7_{10}$? Approach 1: Convert to base-4 and find its radix complement $7_{10} = (13)_4$ Radix complement(4's complement) = $21_4 = 9_{10}$ (result) Approach 2: Convert to base-5 and find its ... (4's complement) = $(32)_5 = (17)_{10}$ (result) Are these approaches correct? If yes, why different results?!

Akhilesh Singla asked in Digital Logic Apr 13, 2018

by Akhilesh Singla

4.1k views

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Recent questions tagged number-system