The Gateway to Computer Science Excellence
For all GATE CSE Questions
Toggle navigation
GATE Overflow
Facebook Login
Google Login
or
Email or Username
Password
Remember
Login
Register

I forgot my password
All Activity
Questions
Unanswered
Tags
Subjects
Users
Ask
Previous
Blogs
New Blog
Exams
First time here? Checkout the
FAQ
!
x
×
Close
Use the google search bar on side panel. It searches through all previous GATE/other questions.
Recent questions and answers in Numerical Ability
0
votes
2
answers
1
# P&C
A mixed doubles tennis game is to be played between two teams (each team consists of one male and one female). There are four married couples. No team is to consist of a husband and his wife. What is the maximum number of games that can be played? GIVEN ANS 42 , ... wife at their correct husband (dearrangement=n ) these are no of teams and total no of games will be nc2 . where am i missing ?
answered
23 hours
ago
in
Numerical Ability
by
srestha
Veteran
(
84.2k
points)

149
views
+1
vote
2
answers
2
#Permuatation
How many different sums can be formed with the following coins: 5 rupee, 1 rupee, 50 paisa, 25 paisa, 10 paisa, 3 paisa, 2 paisa and 1 paisa? is it $2^{8}2$ ?
answered
1 day
ago
in
Numerical Ability
by
Deepakk Poonia (Dee)
Loyal
(
6.1k
points)

86
views
+1
vote
2
answers
3
Arun Sharma # progression
In an infinite geometric progression ,each term is equal to 2 times the sum of the terms that follow . If the first term of the series is 8 ,find the sum of the series?
answered
2 days
ago
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

173
views
numericalability
0
votes
2
answers
4
Time & Work
A mason can complete a brick wall of size $10 \text{ ft.}$ high, $15 \text{ ft }$ wide using $9 \text{ inches}$ bricks in $3 \text{ days}$. How long will be take to make $4$ walls of size $10 \text{ ft}$ high, $5 \text{ ft}$ wide using $9 \text{ inches}$ bricks?
answered
4 days
ago
in
Numerical Ability
by
Prateek Raghuvanshi
Active
(
2.1k
points)

58
views
worktime
0
votes
2
answers
5
Geometry
Which of the triangles is an isosceles triangle having the three angles : $40^{\circ},50^{\circ},90^{\circ}$ $30^{\circ},60^{\circ},90^{\circ}$ $45^{\circ},45^{\circ},90^{\circ}$ $35^{\circ},55^{\circ},90^{\circ}$
answered
5 days
ago
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

41
views
geometry
triangle
+1
vote
2
answers
6
GATE2016Session2GA5
A window is made up of a square portion and an equilateral triangle portion above it. The base of the triangular portion coincides with the upper side of the square. If the perimeter of the window is $6$ m, the area of the window in $m^{2}$ is ___________. $1.43$ $2.06$ $2.68$ $2.88$
answered
May 17
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

804
views
gate2016session2aptitude
numericalability
geometry
0
votes
3
answers
7
ISIMTECHCSE2018
The number of common terms in the two sequences $\{ 3,7,11, \ldots , 407\}$ and $\{2,9,16,\ldots ,709\}$ is $13$ $14$ $15$ $16$
answered
May 13
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

111
views
isi2018
arithmeticprogression
numericalability
0
votes
1
answer
8
Algebra
Solve for x  10x2  29x + 10 = 0 Provide the steps.
answered
May 12
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

47
views
0
votes
2
answers
9
Made Easy 2018  Reasoning and Aptitude
Below is the question  The answer given is  d What is the method to solve the question?
answered
May 12
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

71
views
madeeasybooklet
generalaptitude
numericaltype
numericalability
0
votes
1
answer
10
Reasoning and Aptitude  MadeEasy material
answered
May 11
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

74
views
madeeasybooklet
generalaptitude
numericaltype
0
votes
0
answers
11
Reasoning and Aptitude  MadeEasy material
asked
May 10
in
Numerical Ability
by
NithinBiliya
(
57
points)

45
views
madeeasybooklet
generalaptitude
numericaltype
numericalability
+1
vote
2
answers
12
CMI2011A06
A valuable sword belonging to the Grand King was stolen, and the three suspects were Ibn, Hasan, and Abu. Ibn claimed that Hasan stole it, and Hasan claimed that Abu stole it. It was not clear that one of them stole it, but it was later learnt that no innocent ... had lied. It was also learnt that the sword was stolen by only one person. Who stole the sword? Ibn Hasan Abu None of them
answered
May 5
in
Numerical Ability
by
Mk Utkarsh
Boss
(
12.4k
points)

103
views
cmi2011
logicalreasoning
0
votes
1
answer
13
general doubt
E= V2 If we apply log both side. What will be the result with respect to V. V=?
answered
May 2
in
Numerical Ability
by
abhishekmehta4u
Boss
(
13.2k
points)

66
views
general
+13
votes
6
answers
14
GATE2012CYGA7
A and B are friends. They decide to meet between 1:00 pm and 2:00 pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than 15 minutes. The probability that they will meet on that day is 1/4 1/16 7/16 9/16
answered
May 2
in
Numerical Ability
by
Kajal Khobragade
Junior
(
709
points)

4.9k
views
gate2012cy
numericalability
probability
+2
votes
3
answers
15
Made Easy  Reasoning and Aptitude, GATE 2018 ESE 2018
answered
Apr 30
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

152
views
madeeasybooklet
generalaptitude
numericaltype
0
votes
1
answer
16
Made Easy  Reasoning and Aptitude, GATE 2018 ESE 2018, Number Systems
answered
Apr 30
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

98
views
madeeasybooklet
numericalability
+1
vote
1
answer
17
#GA How to find no of terms in this AP series?
answered
Apr 25
in
Numerical Ability
by
abhishekmehta4u
Boss
(
13.2k
points)

63
views
0
votes
1
answer
18
PGEE 18
If 10 and 25 are smallest numbers with multilpicative persistence of 1 and 2. What is the smallest number with multiplicative persistence of 4? 1. 77 2. Some No.'s > 77 4. None
answered
Apr 24
in
Numerical Ability
by
Skan
(
147
points)

67
views
iiithpgee
sequence
+9
votes
3
answers
19
GATE2012CYGA9
There are eight bags of rice looking alike, seven of which have equal weight and one is slightly heavier. The weighing balance is of unlimited capacity. Using this balance, the minimum number of weighings required to identify the heavier bag is (A) 2 (B) 3 (C) 4 (D) 8
answered
Apr 20
in
Numerical Ability
by
Prateek K
Active
(
1.3k
points)

1.8k
views
gate2012cy
numericalability
logicalreasoning
+5
votes
2
answers
20
GATE2018GA7
If $pqr \ne 0$ and $p^{x}=\dfrac{1}{q},q^{y}=\dfrac{1}{r},r^{z}=\dfrac{1}{p},$ what is the value of the product $xyz$ ? $1$ $\dfrac{1}{pqr}$ $1$ $pqr$
answered
Apr 20
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

899
views
gate2018
numericalability
ratioproportions
+1
vote
1
answer
21
self doubt
a vessel contains mixture of milk and water in which water concentration is 30 percent .if 20 percent water and 30 percent milk is taken out and replaced with equal quantity of water , then quantity of water increases by what percent of initial of water in the mixture?
answered
Apr 16
in
Numerical Ability
by
aakashpreetam
(
323
points)

302
views
0
votes
1
answer
22
UGC NET DEC 2011
What is the probability of choosing correctly an unknown integer between 0 and 9 with 3 chances? (A) 963/1000 (B) 973/1000 (C) 983/1000 (D) 953/1000
answered
Apr 13
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

93
views
+2
votes
3
answers
23
Aptitude
Given $\displaystyle \cfrac{\;\cfrac{a}{b} + \cfrac{b}{a}\;}{\cfrac{a}{b}  \cfrac{b}{a}} = 1$ If $a$ and $c$ are positive integers, then how many ordered pairs are possible for $(a,c)$, where: $a + 4b^2 + c \leq 8$? 45 28 17 18
answered
Apr 11
in
Numerical Ability
by
Rohit Kumar 2
(
215
points)

164
views
permutationsandcombinations
algebra
+2
votes
3
answers
24
GATE2014EC04GA10
A five digit number is formed using the digits $1,3,5,7$ and $9$ without repeating any of them. What is the sum of all such possible five digit numbers? 6666660 6666600 6666666 6666606
answered
Apr 8
in
Numerical Ability
by
Mk Utkarsh
Boss
(
12.4k
points)

714
views
gate2014ec04
numericalability
normal
permutationsandcombinations
+5
votes
3
answers
25
GATE2018GA3
The area of a square is $d$. What is the area of the circle which has the diagonal of the square as its diameter? $\large{\pi} d$ $\large{\pi} d^2$ $\dfrac{1}{4}\large{\pi} d^2$ $\dfrac{1}{2}\large{\pi} d$
answered
Apr 8
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

1k
views
gate2018
numericalability
geometry
circle
normal
+2
votes
1
answer
26
Maths cse
How to solve these type of equations? Please provide step by step solution. $2x^2+3y^2 = 275$ $2x+3y=35$ $x >4$ $x=4$ $x<4$ $x>y, x<y, x=y$
answered
Apr 6
in
Numerical Ability
by
abhishekmehta4u
Boss
(
13.2k
points)

98
views
nongate
+2
votes
1
answer
27
Aptitude
If it was Saturday on 12th Jan,1980, then what was the day on 12th Jan,1979?
answered
Apr 5
in
Numerical Ability
by
Subarna Das
Loyal
(
6.1k
points)

157
views
numericalability
generalaptitude
+6
votes
2
answers
28
GATE20153GA1
If ROAD is written as URDG, then SWAN should be written as: VXDQ VZDQ VZDP UXDQ
answered
Apr 4
in
Numerical Ability
by
chalam121
Active
(
2.1k
points)

582
views
gate20153
numericalability
easy
logicalreasoning
+1
vote
2
answers
29
GATE 2018 GA  3(Electrical Engineering)
answered
Apr 2
in
Numerical Ability
by
Prak123
(
17
points)

180
views
gate2018
numericalability
easy
0
votes
2
answers
30
Time, speed & distance
Two trains start at the same time from Mumbai and Pune and proceed towards each other at the rate of $60\hspace{0.1cm} km$ and $40\hspace{0.1cm}km$ $\text{per hour}$ respectively. When they meet, it is found that one train has travelled $20\hspace{0.1cm} km$ more than the other. Find the distance between Mumbai and Pune.
answered
Mar 30
in
Numerical Ability
by
Sukanya Das
Boss
(
11.3k
points)

92
views
generalaptitude
speedtimedistance
+1
vote
1
answer
31
Profit and Loss
A Shopkeeper cheats to the extends of $20\%$ while buying as well as selling.By using false weight.His gain or loss is? Loss $50\%$ Gain $44\%$ Loss $44\%$ Gain $40\%$
answered
Mar 25
in
Numerical Ability
by
Sukanya Das
Boss
(
11.3k
points)

184
views
generalaptitude
numericalability
profitloss
+1
vote
3
answers
32
Made easy workbook
If $A$ and $B$ run at $6km/hr$ and $12 km/hr$ on a circular track $6 km$ long.When will they meet for the first time if they are running in opposite direction?
answered
Mar 25
in
Numerical Ability
by
Sukanya Das
Boss
(
11.3k
points)

97
views
generalaptitude
speedtimedistance
circularmotion
+1
vote
2
answers
33
Made easy workbook
Two trains separated by $480 \hspace{0.1cm}km$ are approaching each other with speed $70\hspace{0.1cm}kmph$ and $50\hspace{0.1cm}kmph$ respectively. A bird with speed $100\hspace{0.1cm} km/hr$ started from the front of first train goes to the front of second ... distance covered by the bird!? $500\hspace{0.1cm}km$ $400\hspace{0.1cm}km$ $480\hspace{0.1cm}km$ $600\hspace{0.1cm}km$
answered
Mar 25
in
Numerical Ability
by
Sukanya Das
Boss
(
11.3k
points)

97
views
generalaptitude
speedtimedistance
+1
vote
1
answer
34
Madeeasy workbook
In a $200m$ race, $A$ beats $B$ by $20m$.$B$ beates $C$ by $10m$ in a $250m$ race.By how many meters will $A$ beat $C$ in a $1 km$ race?
answered
Mar 25
in
Numerical Ability
by
Sukanya Das
Boss
(
11.3k
points)

66
views
generalaptitude
speedtimedistance
+2
votes
1
answer
35
Made easy workbook
In a $200m$ race,$A$ beats $B$ by $20m$.B beates $C$ by $10m$ in a $250m$ race.By how many meters will $A$ beat $C$ in a $1 km$ race?
[closed]
answered
Mar 25
in
Numerical Ability
by
pankaj_vir
Loyal
(
8.3k
points)

66
views
+1
vote
1
answer
36
TEST_SERIES
I understood solution till no of factor of are 75 can some explain me last step?
answered
Mar 25
in
Numerical Ability
by
KrishnaAnaril
(
203
points)

49
views
+2
votes
1
answer
37
largest number
I take an integer $n$ .If $n$ is even, I divide it by $2$, if it is odd, I multiple $n$ by $3$ and add one to the product.I keep doing this till the number reduces to $1$.If I start with $5$ for example,I reach $1$ in $5$ steps. $(16, ... )$. $7$ takes $16$ steps to reach $1$. The number between $1$ and $2000000000$ that requires the largest number of steps to reach $1$ this way is?
answered
Mar 22
in
Numerical Ability
by
Tesla!
Boss
(
15.9k
points)

102
views
numericalability
+5
votes
3
answers
38
GATE2018GA9
In the figure below, $\angle DEC + \angle BFC$ is equal to _____ $\angle BCD  \angle BAD$ $\angle BAD + \angle BCF$ $\angle BAD + \angle BCD$ $\angle CBA + \angle ADC$
answered
Mar 19
in
Numerical Ability
by
Skan
(
147
points)

1.4k
views
gate2018
numericalability
geometry
normal
0
votes
1
answer
39
Self dout @arjun sir please clear my dout
[closed]
asked
Mar 18
in
Numerical Ability
by
ADITYA CHAURASIYA 5
Active
(
1.4k
points)

85
views
+1
vote
1
answer
40
sample paper
If $f(x)=\frac{4^{x}}{4^{1x}+ 4^{x}}$, then $f(\frac{1}{65}) + f(\frac{2}{65}) +f(\frac{3}{65}) +..............f(\frac{64}{65}) +$ is equal to Answers: a. 16 b. 0 c. 32 d. 64
asked
Mar 9
in
Numerical Ability
by
Yansi Keim 1
(
23
points)

118
views
generalaptitude
To see more, click for all the
questions in this category
.
Quick search syntax
tags
tag:apple
author
user:martin
title
title:apple
content
content:apple
exclude
tag:apple
force match
+apple
views
views:100
score
score:10
answers
answers:2
is accepted
isaccepted:true
is closed
isclosed:true
Members at the site
Warrior
Soumya29
Subham Nagar
Anu007
shalini j
Harsh Kumar
sourav.
Shubhanshu
shivanisrivarshini
Kaurbaljit
abhishekmehta4u
Kushagra Gusain
Recent Posts
IISC CSA shortlist to final select conversion
career advice
IIT Madras MS written test and interview
Interview experience at IIITSricity
IIT Delhi Interview Experience  M.tech. Computer Technology  22 May 2018
All categories
General Aptitude
1.3k
Verbal Ability
469
Numerical Ability
790
Engineering Mathematics
5.1k
Digital Logic
2k
Programming & DS
3.7k
Algorithms
3.1k
Theory of Computation
3.9k
Compiler Design
1.5k
Operating System
2.8k
Databases
2.9k
CO & Architecture
2.5k
Computer Networks
2.9k
Non GATE
1k
Others
1.3k
Admissions
456
Exam Queries
428
Tier 1 Placement Questions
17
Job Queries
55
Projects
8
Follow @csegate
Gatecse
Recent questions and answers in Numerical Ability
Recent Blog Comments
Hi Rishabh, when you solved the previous year ...
@Ajit I am seriously noone to suggest anything to ...
@VS You had a rank of 1800, hence you did have a ...
Applied Online.The notification came in March ...
Online. The notification came in March 2018
35,519
questions
42,843
answers
121,778
comments
42,191
users