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Recent questions tagged general-aptitude

Recent questions tagged general-aptitude
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#probability
I have a bag containing 20 red balls and 16 blue balls. I uniformly randomly take balls out from the bag without replacement until all balls of color have been removed. If the probability that the last ball I took was red can be represented as p/q , where p and q ... of drawing all the balls is 36c20. The probability is 35c19/36c20=5/9. but the answer is 4/9. pls, correct my solution?
DEBANJAN GHOSH asked in Mathematical Logic Jun 26, 2021
by DEBANJAN GHOSH
5 points
18 views
0 votes
0 answers 33 views
Self Doubt - A $200 \times 200$ $cm^2$ area is to be scanned by a $20 \times 20$ $cm^2$ flashlight.
toxicdesire asked in Numerical Ability May 7, 2020
by toxicdesire
555 points
33 views
0 votes
0 answers 25 views
GATE2019-GA-1 Video Solution
The expenditure on the project _____ as follows: equipment Rs.$20$ lakhs, salaries Rs.$12$ lakhs, and contingency Rs.$3$ lakhs. break down break breaks down breaks
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
25 views
0 votes
0 answers 21 views
GATE2019-GA-7 Video Solution
In the given diagram, teachers are represented in the triangle, researchers in the circle and administrators in the rectangle. Out of the total number of the people, the percentage of administrators shall be in the range of _______ $0$ to $15$ $16$ to $30$ $31$ to $45$ $46$ to $60$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
21 views
0 votes
0 answers 33 views
GATE2017-1-GA-1 Video Solution
After Rajendra Chola returned from his voyage to Indonesia, he ________ to visit the temple in Thanjavur. was wishing is wishing wished had wished
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
33 views
0 votes
0 answers 28 views
GATE2019-GA-9 Video Solution
In a college, there are three student clubs, $60$ students are only in the Drama club, $80$ students are only in the Dance club, $30$ students are only in Maths club, $40$ students are in both Drama and Dance clubs, $12$ students are in both Dance and ... are not in any of these clubs, then the total number of students in the college is _____. $1000$ $975$ $900$ $225$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
28 views
0 votes
0 answers 29 views
GATE2017-1-GA-10 Video Solution
A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geographical region. Contour lines are shown at $25$ m intervals in this plot. If in a flood, the water level rises to $525$ m, which of the villages $P, Q, R, S, T$ get submerged? $P, Q$ $P, Q, T$ $R, S, T$ $Q, R, S$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
29 views
0 votes
0 answers 17 views
GATE2017-1-GA-5 Video Solution
The probability that a $k$-digit number does NOT contain the digits $0, 5,$ or $9$ is $0.3^{k}$ $0.6^{k}$ $0.7^{k}$ $0.9^{k}$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
17 views
0 votes
0 answers 21 views
GATE2019-GA-3 Video Solution
Two cars at the same time from the same location and go in the same direction. The speed of the first car is $50$ km/h and the speed of the second car is $60$ km/h. The number of hours it takes for the distance between the two cars to be $20$ km is _____. $1$ $2$ $3$ $6$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
21 views
0 votes
0 answers 22 views
GATE2017-1-GA-8 Video Solution
The expression $\large \frac{(x+y) - |x-y|}{2}$ is equal to : The maximum of $x$ and $y$ The minimum of $x$ and $y$ $1$ None of the above
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
22 views
0 votes
0 answers 15 views
GATE2019-GA-4 Video Solution
Ten friends planned to share equally the cost of buying a gift for their teacher. When two of them decided not to contribute, each of the other friends had to pay Rs. $150$ more. The cost of the gift was Rs. ____ $666$ $3000$ $6000$ $12000$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
15 views
0 votes
0 answers 21 views
GATE2019-GA-2 Video Solution
The search engine’s business model ____ around the fulcrum of trust. revolves plays sinks bursts
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
21 views
0 votes
0 answers 20 views
GATE2017-1-GA-2 Video Solution
Research in the workplace reveals that people work for many reasons _______________ . money beside beside money money besides besides money
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
20 views
0 votes
0 answers 27 views
GATE2019-GA-8 Video Solution
A recent High Court judgement has sought to dispel the idea of begging as a disease - which leads to its stigmatization and criminalization - and to regard it as a symptom. The underlying disease is the failure of the state to protect citizens ... an offence that has to be dealt with firmly Begging has to be banned because it adversely affects the welfare of the state
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
27 views
0 votes
0 answers 18 views
GATE2019-GA-5 Video Solution
A court is to a judge as _________ is to a teacher a student a punishment a syllabus a school
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
18 views
0 votes
0 answers 12 views
GATE2015 CE-2: GA-4 Video Solution
Mr. Vivek walks $6$ meters North-east, then turns and walks $6$ meters South-east, both at 60 degrees to east. He further moves $2$ meters South and $4$ meters West. What is the straight distance in meters between the point he started from and the point he finally reached? $2\sqrt 2$ $2$ $\sqrt 2$ $1/\sqrt2$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
12 views
0 votes
0 answers 20 views
GATE2019-GA-10 Video Solution
Three of the five students are allocated to a hostel put in special requests to the warden, Given the floor plan of the vacant rooms, select the allocation plan that will accommodate all their requests. Request by X: Due to pollen allergy, I want to ... I believe in Vaastu and so I want to stay in South-West wing. The shaded rooms are already occupied. WR is washroom
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
20 views
0 votes
0 answers 14 views
GATE2015 EC-1: GA-5 Video Solution
If $\log_{x}{(\frac{5}{7})}=\frac{-1}{3},$ then the value of $x$ is $343/125$ $25/343$ $-25/49$ $-49/25$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
14 views
0 votes
0 answers 9 views
GATE2017-1-GA-4 Video Solution
Find the smallest number $y$ such that $y \times 162$ is a perfect cube. $24$ $27$ $32$ $36$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
9 views
0 votes
0 answers 21 views
GATE2017-1-GA-6 Video Solution
"The hold of the nationalist imagination on our colonial past is such that anything inadequately or improperly nationalist is just not history." Which of the following statements best reflects the author's opinion? Nationalists are ... the filter of nationalism. Our colonial past never happened. Nationalism has to be both adequately and properly imagined.
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
21 views
0 votes
0 answers 15 views
GATE2015 EC-1: GA-9 Video Solution
A cube of side $3$ units is formed using a set of smaller cubes of side $1$ unit. Find the proportion of the number of faces of the smaller cubes visible to those which are NOT visible. $ 1: 4$ $ 1: 3$ $ 1: 2$ $ 2: 3$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
15 views
0 votes
0 answers 9 views
GATE2018 CH: GA-8 Video Solution
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question $A$ was correctly answered by $3,30,000$ candidates. Question $B$ ... number answering none, how many candidates failed to clear the test? $30,000$ $2,70,000$ $3,90,000$ $4,20,000$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
9 views
0 votes
0 answers 13 views
GATE2018 EE: GA-6 Video Solution
An e-mail password must contain three characters. The password has to contain one numeral from $0 \text{ to } 9$, one upper case and one lower case character from the English alphabet. How many distinct passwords are possible? $6,760$ $13,520$ $40,560$ $1,05,456$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
13 views
0 votes
0 answers 25 views
GATE2018 EE: GA-2 Video Solution
“A common misconception among writers is that sentence structure mirrors thought; the more _________ the structure, the more complicated the ideas.” The word that best fills the blank in the above sentence is detailed simple clear convoluted
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
25 views
0 votes
0 answers 22 views
GATE2018 EC: GA-7 Video Solution
Two alloys $A$ and $B$ contain gold and copper in the ratios of $2:3$ and $3:7$ by mass, respectively. Equal masses of alloys $A$ and $B$ are melted to make an alloy $C$. The ratio of gold to copper in alloy $C$ is ______. $ 5:10$ $7:13$ $6:11$ $9:13$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
22 views
0 votes
0 answers 30 views
GATE2015 CE-2: GA-7 Video Solution
The given question is followed by two statements; select the most appropriate option that solves the question. Capacity of a solution tank $A$ is $\text{70%}$ of the capacity of tank $B$. How many gallons of solution are in tank ... II alone is sufficient. Either statement I or II alone is sufficient. Both the statements I and II together are sufficient.
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
30 views
0 votes
0 answers 23 views
GATE2018 ME-2: GA-8 Video Solution
A contract is to be completed in 52 days and 125 identical robots were employed, each operational for 7 hours a day. After 39 days, five-seventh of the work was completed. How many additional robots would be required to complete the work on time, if each robot is now operational for 8 hours a day? 50 89 146 175
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
23 views
0 votes
0 answers 21 views
GATE2018 EC: GA-9 Video Solution
A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident. $85\%$ of cabs in the city are green and the remaining cabs are blue. A witness identified the cab involved in the accident ... is closest to the probability that the accident was caused by a blue cab? $12\%$ $15\%$ $41\%$ $80\%$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
21 views
0 votes
0 answers 51 views
GATE2015 CE-2: GA-9 Video Solution
Read the following table giving sales data of five types of batteries for years $2006$ to $2012$ ... of the following , which type of battery achieved highest growth between the years $2006$ and $2012$? Type V Type III Type II Type I
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
51 views
0 votes
0 answers 23 views
GATE2011 AG: GA-8 Video Solution
Three friends, $R, S$ and $T$ shared toffee from a bowl. $R$ took $\frac{1}{3}^{\text{rd}}$ of the toffees, but returned four to the bowl. $S$ took $\frac{1}{4}^{\text{th}}$ of what was left but returned three toffees to the bowl. $T$ ... two back into the bowl. If the bowl had $17$ toffees left, how may toffees were originally there in the bowl? $38$ $31$ $48$ $41$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
23 views
0 votes
0 answers 12 views
GATE2018 EE: GA-9 Video Solution
A designer uses marbles of four different colours for his designs. The cost of each marble is the same, irrespective of the colour. The table below shows the percentage of marbles of each colour used in the current design. The cost of each marble increased by $25\%.$ Therefore, ... $35.75$ $40.25$ $43.75$ $46.25$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
12 views
0 votes
0 answers 16 views
GATE2018 EC: GA-6 Video Solution
Leila aspires to buy a car worth $Rs. 10,00,000$ after $5$ years. What is the minimum amount in Rupees that she should deposit now in a bank which offers $10\%$ annual rate of interest, if the interest was compounded annually? $5,00,000 $ $6,21,000$ $6,66,667$ $7,50,000$
admin asked in Numerical Ability Apr 18, 2020
by admin
585 points
16 views
0 votes
0 answers 27 views
GATE2015 EC-1: GA-6 Video Solution
The following question presents a sentence, part of which is underlined. Beneath the sentence, you find four ways of phrasing the underlined part. Following the requirements of the standard written English, select the answer that produces the most effective ... of death has the rank of one of the leading causes of death are one of the leading causes of death
admin asked in Verbal Ability Apr 18, 2020
by admin
585 points
27 views
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