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Search results for modular-arithmetic
2
votes
1
answer
21
GO Classes Weekly Quiz 1 | General Aptitude | Question: 10
Which of the following is/are True? Suppose $na\equiv nb\; \mod\; m,$ then $a\equiv b \;\mod\; m$ holds $x^3$ is always congruent to one of $-1, 0, 1$ on $\mod\; 7$. Suppose $a\equiv b\; \mod \;m$ ... $aa'\equiv bb'\; \mod\; m$ Suppose $a\equiv b \; \mod\; m,$ then $a+m \equiv b \;\mod\; m$
Which of the following is/are True?Suppose $na\equiv nb\; \mod\; m,$ then $a\equiv b \;\mod\; m$ holds$x^3$ is always congruent to one of $-1, 0, 1$ on $\mod\; 7$.Suppose...
GO Classes
517
views
GO Classes
asked
May 1, 2022
Quantitative Aptitude
goclasses_wq1
goclasses
quantitative-aptitude
number-system
modular-arithmetic
multiple-selects
2-marks
+
–
7
votes
2
answers
22
GATE Overflow | Mock GATE | Test 1 | Question: 6
The remainder when $'m+n'$ is divided by $12$ is $8$, and the remainder when $'m-n'$ is divided by $12$ is $6$. If $m>n$, then what is the remainder when $'mn'$ is divided by $6$?
The remainder when $'m+n'$ is divided by $12$ is $8$, and the remainder when $'m-n'$ is divided by $12$ is $6$. If $m>n$, then what is the remainder when $'mn'$ is divide...
Ruturaj Mohanty
1.4k
views
Ruturaj Mohanty
asked
Dec 27, 2018
Quantitative Aptitude
go-mockgate-1
numerical-answers
modular-arithmetic
quantitative-aptitude
+
–
3
votes
4
answers
23
GATE Overflow | Mock GATE | Test 1 | Question: 4
What is the value of $(x \% \text{ of } y) + (y \% \text{ of } x)$? $20 \% \text{ of } x/y$ $2 \% \text{ of } x/y$ $2 \% \text{ of } xy$ $20 \% \text{ of } xy$
What is the value of $(x \% \text{ of } y) + (y \% \text{ of } x)$?$20 \% \text{ of } x/y$$2 \% \text{ of } x/y$$2 \% \text{ of } xy$$20 \% \text{ of } xy$
Ruturaj Mohanty
938
views
Ruturaj Mohanty
asked
Dec 27, 2018
Quantitative Aptitude
go-mockgate-1
quantitative-aptitude
percentage
modular-arithmetic
+
–
1
votes
3
answers
24
TIFR CSE 2021 | Part A | Question: 13
What are the last two digits of $7^{2021}$? $67$ $07$ $27$ $01$ $77$
What are the last two digits of $7^{2021}$?$67$$07$$27$$01$$77$
soujanyareddy13
539
views
soujanyareddy13
asked
Mar 25, 2021
Quantitative Aptitude
tifr2021
quantitative-aptitude
modular-arithmetic
+
–
17
votes
12
answers
25
TIFR CSE 2018 | Part B | Question: 1
What is the remainder when $4444^{4444}$ is divided by $9?$ $1$ $2$ $5$ $7$ $8$
What is the remainder when $4444^{4444}$ is divided by $9?$$1$$2$$5$$7$$8$
Arjun
3.3k
views
Arjun
asked
Dec 10, 2017
Quantitative Aptitude
tifr2018
quantitative-aptitude
modular-arithmetic
+
–
12
votes
2
answers
26
TIFR CSE 2019 | Part A | Question: 7
What are the last two digits of $1! + 2! + \dots +100!$? $00$ $13$ $30$ $33$ $73$
What are the last two digits of $1! + 2! + \dots +100!$?$00$$13$$30$$33$$73$
Arjun
1.4k
views
Arjun
asked
Dec 18, 2018
Quantitative Aptitude
tifr2019
quantitative-aptitude
modular-arithmetic
+
–
7
votes
2
answers
27
TIFR CSE 2011 | Part A | Question: 20
Let $n>1$ be an odd integer. The number of zeros at the end of the number $99^{n}+1$ is $1$ $2$ $3$ $4$ None of the above
Let $n>1$ be an odd integer. The number of zeros at the end of the number $99^{n}+1$ is$1$$2$$3$$4$None of the above
makhdoom ghaya
1.2k
views
makhdoom ghaya
asked
Oct 19, 2015
Quantitative Aptitude
tifr2011
quantitative-aptitude
modular-arithmetic
+
–
4
votes
3
answers
28
GATE2017 CE-1: GA-8
The last digit of $(2171)^{7}+(2172)^{9}+(2173)^{11}+(2174)^{13}$ is $2$ $4$ $6$ $8$
The last digit of $(2171)^{7}+(2172)^{9}+(2173)^{11}+(2174)^{13}$ is$2$$4$$6$$8$
Milicevic3306
3.1k
views
Milicevic3306
asked
Mar 26, 2018
Quantitative Aptitude
gate2017-ce-1
modular-arithmetic
quantitative-aptitude
numerical-computation
+
–
0
votes
2
answers
29
Test of Mathematics at 10+2 Level
The remainder when 3^37 is divided by 79 is A. 78 B. 1 C. 2 D. 35
The remainder when 3^37 is divided by 79 isA. 78B. 1C. 2D. 35
Surya S. Iyer
1.9k
views
Surya S. Iyer
asked
Sep 27, 2017
Quantitative Aptitude
combinatory
modular-arithmetic
+
–
3
votes
2
answers
30
TIFR CSE 2019 | Part B | Question: 14
Let $m$ and $n$ be two positive integers. Which of the following is NOT always true? If $m$ and $n$ are co-prime, there exist integers $a$ and $b$ such that $am + bn=1$ $m^{n-1} \equiv 1 (\text{ mod } n)$ ... $m+1$ is a factor of $m^{n(n+1)}-1$ If $2^n -1$ is prime, then $n$ is prime
Let $m$ and $n$ be two positive integers. Which of the following is NOT always true?If $m$ and $n$ are co-prime, there exist integers $a$ and $b$ such that $am + bn=1$$m^...
Arjun
1.3k
views
Arjun
asked
Dec 18, 2018
Quantitative Aptitude
tifr2019
quantitative-aptitude
modular-arithmetic
+
–
5
votes
2
answers
31
TIFR CSE 2019 | Part A | Question: 2
How many proper divisors (that is, divisors other than $1$ or $7200$) does $7200$ have ? $18$ $20$ $52$ $54$ $60$
How many proper divisors (that is, divisors other than $1$ or $7200$) does $7200$ have ?$18$$20$$52$$54$$60$
Arjun
1.5k
views
Arjun
asked
Dec 18, 2018
Quantitative Aptitude
tifr2019
modular-arithmetic
quantitative-aptitude
+
–
2
votes
0
answers
32
Modular arithmetic. Solve for x : (103*x) mod 360 = 1.
Solve for x : (103*x) mod 360 = 1. Please explain how to solve this step by step. The answer is 7.
Solve for x :(103*x) mod 360 = 1.Please explain how to solve this step by step.The answer is 7.
Rohit Gupta 8
1.5k
views
Rohit Gupta 8
asked
Jan 14, 2018
Computer Networks
modular-arithmetic
+
–
2
votes
1
answer
33
MadeEasy Test Series 2018: General Aptitude - Modular Arithematic
The value of the expression $13^{88} \text{(mod 19)},$ in the range $0$ to $18,$ is ________.
The value of the expression $13^{88} \text{(mod 19)},$ in the range $0$ to $18,$ is ________.
sumit chakraborty
604
views
sumit chakraborty
asked
Jan 27, 2018
Quantitative Aptitude
general-aptitude
modular-arithmetic
made-easy-test-series
+
–
12
votes
2
answers
34
GATE2012 CY: GA-1
If $(1.001)$^{1259}$= $3.52$ and $(1.001)$^{2062}$= $7.85$, then $(1.001)$^{3321}$= $2.23$ $4.33$ $11.37$ $27.64$
If $(1.001)$$^{1259}$= $3.52$ and $(1.001)$$^{2062}$= $7.85$, then $(1.001)$$^{3321}$=$2.23$$4.33$$11.37$$27.64$
Akash Kanase
2.4k
views
Akash Kanase
asked
Feb 15, 2016
Quantitative Aptitude
gate2012-cy
quantitative-aptitude
modular-arithmetic
+
–
5
votes
1
answer
35
TIFR CSE 2014 | Part A | Question: 14
Let $m$ and $n$ be any two positive integers. Then, which of the following is FALSE? $m + 1$ divides $m^{2n} − 1$. For any prime $p$, $m^{p} \equiv m (\mod p)$. If one of $m$, $n$ is prime, then there are integers $x, y$ such that $mx + ny = 1$. If $m < n$, then $m!$ divides $n(n − 1)(n − 2) \ldots (n − m + 1)$. If $2^{n} − 1$ is prime, then $n$ is prime.
Let $m$ and $n$ be any two positive integers. Then, which of the following is FALSE?$m + 1$ divides $m^{2n} − 1$.For any prime $p$, $m^{p} \equiv m (\mod p)$.If one of...
makhdoom ghaya
1.2k
views
makhdoom ghaya
asked
Nov 14, 2015
Combinatory
tifr2014
combinatory
modular-arithmetic
+
–
1
votes
2
answers
36
Modulo
What will be the remainder when $\large 6457^{76^{57}}$ is divided by $\large 23$ ?
What will be the remainder when $\large 6457^{76^{57}}$ is divided by $\large 23$ ?
radhika khandelwal
1.2k
views
radhika khandelwal
asked
Dec 1, 2016
Quantitative Aptitude
modular-arithmetic
+
–
5
votes
2
answers
37
TIFR2010-Maths-B-12
If $n$ and $m$ are positive integers and $n^{9}=19m+r$, then the possible values for $r$ modulo 19 are. Only 0 Only 0, $\pm$ 1 Only $\pm$ 1 None of the above
If $n$ and $m$ are positive integers and $n^{9}=19m+r$, then the possible values for $r$ modulo 19 are.Only 0Only 0, $\pm$ 1Only $\pm$ 1None of the above
makhdoom ghaya
1.4k
views
makhdoom ghaya
asked
Oct 14, 2015
Quantitative Aptitude
tifrmaths2010
quantitative-aptitude
modular-arithmetic
+
–
4
votes
1
answer
38
TIFR-2011-Maths-A-7
The equation $x^{22}\equiv 2$ $\mod 23$ has No solutions $23$ solutions Exactly one solution $22$ solutions
The equation $x^{22}\equiv 2$ $\mod 23$ hasNo solutions$23$ solutionsExactly one solution$22$ solutions
makhdoom ghaya
780
views
makhdoom ghaya
asked
Dec 9, 2015
Quantitative Aptitude
tifrmaths2011
quantitative-aptitude
modular-arithmetic
+
–
3
votes
1
answer
39
What will be the in the units place of?
Q1) What is the units digit of $\left (39^{11} – 32^{11} \right)$? (a) 1 (b) 5 (c) 7 (d) 8 Q2) What will be in the unit place of $45^8 + 19^{11} – 62^{18}$? (a) 0 (b) 2 (c) 3 (d) 7
Q1) What is the units digit of $\left (39^{11} – 32^{11} \right)$? (a) 1 (b) 5 (c) 7 (d) 8Q2) What will be in the unit place of $45^8 + 19^{11} – 62...
Pooja Palod
1.3k
views
Pooja Palod
asked
Sep 25, 2015
Quantitative Aptitude
modular-arithmetic
+
–
2
votes
2
answers
40
Probability
Let $X$ be uniformly distributed on $\{0, 1, 2 \ldots 32\}$. What is probability of choosing $x \in X$ such that $3x + 12 \;\cong\; 0 \pmod{33}$?
Let $X$ be uniformly distributed on $\{0, 1, 2 \ldots 32\}$. What is probability of choosing $x \in X$ such that $3x + 12 \;\cong\; 0 \pmod{33}$?
kamla sharma
481
views
kamla sharma
asked
Nov 16, 2015
Probability
probability
modular-arithmetic
+
–
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