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Recent questions tagged number-system

1 votes
1 answer
91
ISI2016-DCG-20
The total number of factors of $3528$ greater than $1$ but less than $3528$ is $35$ $36$ $34$ None of these
The total number of factors of $3528$ greater than $1$ but less than $3528$ is$35$$36$$34$None of these
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3 votes
2 answers
92
ISI2018-DCG-1
The digit in the unit place of the number $7^{78}$ is $1$ $3$ $7$ $9$
The digit in the unit place of the number $7^{78}$ is$1$$3$$7$$9$
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4 votes
1 answer
93
ISI2018-DCG-2
If $P$ is an integer from $1$ to $50$, what is the probability that $P(P+1)$ is divisible by $4$? $0.25$ $0.50$ $0.48$ none of these
If $P$ is an integer from $1$ to $50$, what is the probability that $P(P+1)$ is divisible by $4$?$0.25$$0.50$$0.48$none of these
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1 votes
1 answer
94
ISI2018-DCG-15
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is $6$ $9$ $12$ $18$
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is$6$$9$$12$$18$
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2 votes
1 answer
95
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.
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.
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4 votes
2 answers
96
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 $b$? $8$ $7$ $10$ $16$
Consider the equation $(146)_b +(313)_{b-2} = (246)_8$. Which of the following is the value of $b$?$8$$7$$10$$16$
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0 votes
0 answers
97
self-doubt
How do we perform 0 – 1 in 2’s complement subtraction using 1-bit register??
How do we perform 0 – 1 in 2’s complement subtraction using 1-bit register??
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1 votes
2 answers
98
Self Doubt
How addition of $+3$ and $-3$ in sign magnitude form is $-5?$
How addition of $+3$ and $-3$ in sign magnitude form is $-5?$
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0 votes
3 answers
99
self doubt
How to do:(1000)base3 – (121)base3 without converting them to base 10 the final answer should be in base3
How to do:(1000)base3 – (121)base3 without converting them to base 10 the final answer should be in base3
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0 votes
0 answers
100
SELF DOUBT
what is (120)base 10=( ? )base 64 ??
what is (120)base 10=( ? )base 64 ??
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0 votes
0 answers
101
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:
Even after seeing the solution I was unable to understand this question:Can any one tell whats happening here:
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0 votes
1 answer
103
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
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 i...
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1 votes
0 answers
104
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$
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$ $5$
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0 votes
0 answers
106
Complementary Number Systems
If N = 670 in base 9 system. Then find the radix complement of N.
If N = 670 in base 9 system. Then find the radix complement of N.
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1 votes
1 answer
108
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) ?
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.360...
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1 votes
1 answer
110
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?
If (4446)x + (2222)x = (10001)x then value of (2342)x - (1656)x = (?)xhow to solve these kinds of questions?
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0 votes
0 answers
111
Base related problem
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0 votes
0 answers
112
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 $n$.
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 $n$.
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0 votes
1 answer
113
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
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?18192021
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0 votes
1 answer
114
ISI2016-MMA-15
The number of positive integers $n$ for which $n^2 +96$ is a perfect square $0$ $1$ $2$ $4$
The number of positive integers $n$ for which $n^2 +96$ is a perfect square$0$$1$$2$$4$
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0 votes
0 answers
115
ISI2016-MMA-16
Suppose a 6 digit number $N$ is formed by rearranging the digits of the number 123456. If $N$ is divisible by 5, then the set of all possible remainders when $N$ is divided by 45 is $\{30\}$ $\{15, 30\}$ $\{0, 15, 30\}$ $\{0, 5, 15, 30\}$
Suppose a 6 digit number $N$ is formed by rearranging the digits of the number 123456. If $N$ is divisible by 5, then the set of all possible remainders when $N$ is divid...
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0 votes
0 answers
116
ISI2016-MMA-17
The number of positive integers $n$ for which $n^3 +(n+1)^3 +(n+2)^3 = (n+3)^3$ is $0$ $1$ $2$ $3$
The number of positive integers $n$ for which $n^3 +(n+1)^3 +(n+2)^3 = (n+3)^3$ is$0$$1$$2$$3$
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0 votes
1 answer
119
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
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 + Z...
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0 votes
2 answers
120
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??
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...
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