Recent questions and answers in Numerical Ability - GATE Overflow

First time here? Checkout the FAQ!

x

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

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

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

+1 vote

2 answers

6

GATE2016-Session-2-GA-5
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

0 votes

3 answers

7

ISI-MTECH-CSE-2018
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

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

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

0 votes

0 answers

11

Reasoning and Aptitude - MadeEasy material

asked May 10 in Numerical Ability by NithinBiliya (57 points) | 45 views

+1 vote

2 answers

12

CMI2011-A-06
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

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

+13 votes

6 answers

14

GATE2012-CY-GA-7
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

+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

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

+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

+9 votes

3 answers

19

GATE2012-CY-GA-9
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

+5 votes

2 answers

20

GATE2018-GA-7
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

+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

+2 votes

3 answers

24

GATE2014-EC04-GA10
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

+5 votes

3 answers

25

GATE2018-GA-3
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

+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

+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

+6 votes

2 answers

28

GATE2015-3-GA-1
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

+1 vote

2 answers

29

GATE 2018 GA - 3(Electrical Engineering)

answered Apr 2 in Numerical Ability by Prak123 (17 points) | 180 views

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

+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

+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

+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

+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

+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

+5 votes

3 answers

38

GATE2018-GA-9
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

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 $f(x)=\frac{4^{x}}{4^{1-x}+ 4^{x}}$, 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

To see more, click for all the questions in this category.

Follow @csegate

Gatecse

Recent questions and answers in Numerical Ability

35,519 questions

42,843 answers

121,778 comments

42,191 users