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Recent questions tagged modulararithmetic
+5
votes
10
answers
1
GATE201921
The value of $3^{51} \text{ mod } 5$ is _____
asked
Feb 7
in
Combinatory
by
Arjun
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422k
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3.1k
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gate2019
numericalanswers
permutationandcombination
modulararithmetic
+3
votes
2
answers
2
TIFR2019A2
How many proper divisors (that is, divisors other than $1$ or $7200$) does $7200$ have ? $18$ $20$ $52$ $54$ $60$
asked
Dec 18, 2018
in
Numerical Ability
by
Arjun
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(
422k
points)

330
views
tifr2019
modulararithmetic
numericalability
+3
votes
1
answer
3
TIFR2019A7
What are the last two digits of $1! + 2! + \dots +100!$? $00$ $13$ $30$ $33$ $73$
asked
Dec 18, 2018
in
Numerical Ability
by
Arjun
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(
422k
points)

272
views
tifr2019
modulararithmetic
numericalability
+2
votes
2
answers
4
TIFR2019B14
Let $m$ and $n$ be two positive integers. Which of the following is NOT always true? If $m$ and $n$ are coprime, there exist integers $a$ and $b$ such that $am + bn=1$ $m^{n1} \equiv 1 (\text{ mod } n)$ ... $m+1$ is a factor of $m^{n(n+1)}1$ If $2^n 1$ is prime, then $n$ is prime
asked
Dec 18, 2018
in
Numerical Ability
by
Arjun
Veteran
(
422k
points)

266
views
tifr2019
generalaptitude
numericalability
modulararithmetic
+1
vote
3
answers
5
GATE2017 CE1: GA8
The last digit of $(2171)^{7}+(2172)^{9}+(2173)^{11}+(2174)^{13}$ is $2$ $4$ $6$ $8$
asked
Mar 26, 2018
in
Numerical Ability
by
Milicevic3306
Boss
(
17.1k
points)

96
views
gate2017ce1
modulararithmetic
numericalability
numericalcomputation
+1
vote
1
answer
6
MadeEasy Test Series 2018: General Aptitude  Modular Arithematic
The value of the expression 1388 (mod 19), in the range 0 to 18, is ________.
asked
Jan 27, 2018
in
Numerical Ability
by
sumit chakraborty
Active
(
1.1k
points)

161
views
generalaptitude
modulararithmetic
madeeasytestseries
+2
votes
0
answers
7
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.
asked
Jan 14, 2018
in
Computer Networks
by
Rohit Gupta 8
Active
(
2k
points)

238
views
modulararithmetic
+5
votes
7
answers
8
TIFR2018B1
What is the remainder when $4444^{4444}$ is divided by $9?$ $1$ $2$ $5$ $7$ $8$
asked
Dec 10, 2017
in
Combinatory
by
Arjun
Veteran
(
422k
points)

423
views
tifr2018
modulararithmetic
permutationandcombination
0
votes
2
answers
9
Modulo
What will be the remainder when $\large 6457^{76^{57}}$ is divided by $\large 23$ ?
asked
Dec 1, 2016
in
Numerical Ability
by
radhika khandelwal
(
29
points)

358
views
modulararithmetic
+7
votes
3
answers
10
GATE2012 CY: GA1
If $(1.001)$^{1259}$= $3.52$ and $(1.001)$^{2062}$= $7.85$, then $(1.001)$^{3321}$= $2.23$ $4.33$ $11.37$ $27.64$
asked
Feb 16, 2016
in
Numerical Ability
by
Akash Kanase
Boss
(
41.4k
points)

498
views
gate2012cy
numericalability
modulararithmetic
+26
votes
6
answers
11
GATE2016229
The value of the expression $13^{99}\pmod{17}$ in the range $0$ to $16$, is ________.
asked
Feb 12, 2016
in
Combinatory
by
Akash Kanase
Boss
(
41.4k
points)

6.5k
views
gate20162
modulararithmetic
normal
numericalanswers
+4
votes
1
answer
12
TIFR2011MathsA7
The equation $x^{22}\equiv 2$ $\mod 23$ has No solutions. $23$ solutions. Exactly one solution. $22$ solutions.
asked
Dec 9, 2015
in
Numerical Ability
by
makhdoom ghaya
Boss
(
29.9k
points)

239
views
tifrmaths2011
numericalability
modulararithmetic
+2
votes
2
answers
13
Probability
Let $X$ be uniformly distributed on $\{0, 1, 2 \ldots 32\}$. What is probability of choosing $x \in X$ such that $3x + 12 \;\cong\; 0 \pmod{33}$?
asked
Nov 16, 2015
in
Probability
by
kamla sharma
(
19
points)

111
views
probability
modulararithmetic
+4
votes
2
answers
14
TIFR2010MathsB12
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.
asked
Oct 14, 2015
in
Numerical Ability
by
makhdoom ghaya
Boss
(
29.9k
points)

281
views
tifrmaths2010
numericalability
modulararithmetic
+4
votes
1
answer
15
TIFR2010MathsB4
Which of the following statements is false? There exists a natural number which when divided by 3 leaves remainder 1 and which when divided by 4 leaves remainder 0. There exists a natural number which when divided by 6 leaves remainder 2 and when divided by ... 3. There exists a natural number which when divided by 12 leaves remainder 7 and when divided by 8 leaves remainder 3.
asked
Oct 11, 2015
in
Numerical Ability
by
makhdoom ghaya
Boss
(
29.9k
points)

152
views
tifrmaths2010
numericalability
modulararithmetic
+1
vote
1
answer
16
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
asked
Sep 25, 2015
in
Numerical Ability
by
Pooja Palod
Boss
(
31.1k
points)

267
views
modulararithmetic
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