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Recent questions and answers in Numerical Ability
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General Aptitude Self doubt
Consider a Circle with 100 points numbered 1,2,3,4, ..,99,100. Now their is a tortoise at point numbered 1 and a hare at point numbered 2 and both can only move in clockwise direction only on numbered points. Tortoise can move one point at time for ... until they meet at some point. Now find the point at which they meet or if they cannot meet at some point tell why??
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4 days
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BHASHKAR
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11
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numericalability
generalaptitude
0
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0
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Set and venn diagram
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Jun 16
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Rajeevkr
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13
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4
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numericalability
0
votes
0
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Self Doubt  A $200 \times 200$ $cm^2$ area is to be scanned by a $20 \times 20$ $cm^2$ flashlight.
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May 7
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toxicdesire
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305
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10
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#aptitude
generalaptitude
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1
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TOMATO + Polynomials Q286
answered
Apr 24
in
Numerical Ability
by
Sourajit25
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9
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15
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polynomials
0
votes
1
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Self Doubt #Clocksandcalendars
On a particular day if it is found that a clock is shoing 10 minutes less at 1:00 pm and 5 min more at 6:00 pm on the same day. At what time did the clock show the correct time? 3 hr 20 min 4 hr 20 min 5 hr 40 min 6 hr 40 min
answered
Apr 23
in
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Animesh Sinha
(
15
points)

27
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numericalability
generalaptitude
clocktime
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GATE201065 Video Solution
Given digits$ 2, 2, 3, 3, 3, 4, 4, 4, 4$ how many distinct $4$ digit numbers greater than $3000$ can be formed? $50$ $51$ $52$ $54$
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Apr 19
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1
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gate2010
numericalability
permutationandcombination
normal
videosolution
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GATE20161GA10 Video Solution
In a process, the number of cycles to failure decreases exponentially with an increase in load. At a load of $80$ units, it takes $100$ cycles for failure. When the load is halved, it takes $10000 \ \text{cycles}$ for failure.The load for which the failure will happen in $5000 \ \text{cycles}$ is _____________. $40.00$ $46.02$ $60.01$ $92.02$
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Apr 19
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gate20161
numericalability
ratioproportion
normal
videosolution
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GATE2012 CY: GA7 Video Solution
$A$ 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 $1/4$ $1/16$ $7/16$ $9/16$
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Apr 19
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gate2012cy
numericalability
probability
videosolution
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0
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GATE20151GA10 Video Solution
The probabilities that a student passes in mathematics, physics and chemistry are $m,p$ and $c$ respectively. Of these subjects, the student has $75\%$ chance of passing in at least one, a $50\%$ chance of passing in at least two and a $40\%$ ... Only relation I is true. Only relation II is true. Relations II and III are true. Relations I and III are true.
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Apr 19
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gate20151
numericalability
probability
videosolution
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GATE20172GA9 Video Solution
The number of roots of $e^{x}+0.5x^{2}2=0$ in the range $[5,5]$ is $0$ $1$ $2$ $3$
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Apr 19
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4
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gate20172
numericalability
normal
maximaminima
calculus
videosolution
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GATE2018GA10 Video Solution
A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment? Three green faces and four red faces. Four green faces and three red faces. Five green faces and two red faces. Six green faces and one red face
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Apr 19
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gate2018
numericalability
probability
normal
videosolution
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GATE20152GA7 Video Solution
Four branches of a company are located at $M$, $N$, $O$ and $P$. $M$ is north of $N$ at a distance of $4 km$; $P$ is south of $O$ at a distance of $2$ $km$; $N$ is southeast of O by $1 km$. What is the distance between $M$ and $P$ in $km$? $5.34$ $6.74$ $28.5$ $45.49$
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Apr 19
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gate20152
numericalability
normal
directionsense
videosolution
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GATE20161GA05 Video Solution
A cube is built using $64$ cubic blocks of side one unit. After it is built, one cubic block is removed from every corner of the cube. The resulting surface area of the body (in square units) after the removal is ________. $56$ $64$ $72$ $96$
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Apr 19
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gate20161
numericalability
geometry
normal
videosolution
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GATE20152GA8 Video Solution
In a triangle $PQR, PS$ is the angle bisector of $\angle QPR \text{ and } \angle QPS =60^\circ$. What is the length of $PS$ ? $\left(\dfrac{(q+r)} {qr}\right)$ $\left(\dfrac {qr} {q+r}\right)$ $\large \sqrt {(q^2 + r^2)}$ $\left(\dfrac{(q+r)^2} {qr}\right)$
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Apr 19
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gate20152
numericalability
geometry
difficult
videosolution
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GATE20172GA8 Video Solution
$X$ is a $30$ digit number starting with the digit $4$ followed by the digit $7$. Then the number $X^3$ will have $90$ digits $91$ digits $92$ digits $93$ digits
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Apr 19
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gate20172
numericalability
numericalcomputation
numberrepresentation
videosolution
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GATE20171GA9 Video Solution
Arun, Gulab, Neel and Shweta must choose one shirt each from a pile of four shirts coloured red, pink, blue and white respectively. Arun dislikes the colour red and Shweta dislikes the colour white. Gulab and Neel like all the colours. In how many different ways can they choose the shirts so that no one has a shirt with a colour he or she dislikes? $21$ $18$ $16$ $14$
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Apr 19
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gate20171
permutationandcombination
numericalability
videosolution
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0
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GATE20172GA5 Video Solution
There are $3$ red socks, $4$ green socks and $3$ blue socks.You choose $2$ socks. The probability that they are of the same colour is $\dfrac{1}{5}$ $\dfrac{7}{30}$ $\dfrac{1}{4}$ $\dfrac{4}{15}$
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Apr 19
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gate20172
numericalability
probability
videosolution
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GATE2018GA9 Video Solution
In the figure below, $\angle DEC + \angle BFC$ is equal to _____ $\angle BCD  \angle BAD$ $\angle BAD + \angle BCF$ $\angle BAD + \angle BCD$ $\angle CBA + \angle ADC$
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Apr 19
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gate2018
numericalability
geometry
normal
videosolution
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GATE2019GA7 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 $60$
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Apr 19
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gate2019
generalaptitude
numericalability
venndiagrams
videosolution
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GATE201062 Video Solution
Hari(H), Gita(G), Irfan(I) and Saira(S) are siblings (i.e., brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than three years. Given the following facts: ... is not the youngest. There are no twins. In what order they were born (oldest first)? $HSIG$ $SGHI$ $IGSH$ $IHSG$
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Apr 19
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gate2010
numericalability
logicalreasoning
normal
videosolution
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GATE20172GA7 Video Solution
There are three boxes. One contains apples, another contains oranges and the last one contains both apples and oranges. All three are known to be incorrectly labeled. If you are permitted to open just one box and then pull out and inspect only ... three boxes? The box labeled Apples' The box labeled Apples and Oranges' The box labeled Oranges' Cannot be determined
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Apr 19
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gate20172
numericalability
normal
tricky
logicalreasoning
videosolution
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GATE20162GA09 Video Solution
In a $2 \times 4$ rectangle grid shown below, each cell is rectangle. How many rectangles can be observed in the grid? $\begin{array}{ccccc}\hline{\;\;\;}&{\;\;\;}&{\;\;\;}&{\;\;\;}\\\hline{}&{}&{}&\\\hline\end{array}$ $21$ $27$ $30$ $36$
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gate20162
numericalability
normal
permutationandcombination
videosolution
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GATE2019GA9 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 _____. $1000$ $975$ $900$ $225$
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Apr 19
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gate2019
generalaptitude
numericalability
venndiagrams
videosolution
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GATE20171GA10 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? $P, Q$ $P, Q, T$ $R, S, T$ $Q, R, S$
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Apr 19
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gate20171
generalaptitude
numericalability
datainterpretation
normal
videosolution
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0
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GATE201164 Video Solution
A transporter receives the same number of orders each day. Currently, he has some pending orders (backlog) to be shipped. If he uses $7$ trucks, then at the end of the $4^{th}$ day he can clear all the orders. Alternatively, if he uses only $3$ trucks, then all ... of trucks required so that there will be no pending order at the end of $5^{th}$ day? $4$ $5$ $6$ $7$
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gate2011
numericalability
normal
worktime
videosolution
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GATE201165 Video Solution
A container originally contains $10$ litres of pure spirit. From this container, $1$ litre of spirit replaced with $1$ litre of water. Subsequently, $1$ litre of the mixture is again replaced with $1$ litre of water and this process is repeated one more time. How much spirit is now left in the container? $7.58$ litres $7.84$ litres $7$ litres $7.29$ litres
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gate2011
numericalability
normal
numericalcomputation
videosolution
0
votes
0
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GATE20171GA5 Video Solution
The probability that a $k$digit number does NOT contain the digits $0, 5,$ or $9$ is $0.3^{k}$ $0.6^{k}$ $0.7^{k}$ $0.9^{k}$
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Apr 19
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gate20171
generalaptitude
numericalability
probability
easy
videosolution
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0
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GATE20172GA10 Video Solution
An air pressure contour line joins locations in a region having the same atmospheric pressure. The following is an air pressure contour plot of a geographical region. Contour lines are shown at $0.05$ bar intervals in this plot. If the possibility of a ... over a region, which of the following regions is most likely to have a thunderstorm? $P$ $Q$ $R$ $S$
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gate20172
numericalability
datainterpretation
normal
contourplots
videosolution
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0
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GATE201061 Video Solution
If $137 + 276 = 435$ how much is $731+672?$ $534$ $1403$ $1623$ $1513$
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Apr 19
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gate2010
numericalability
normal
logicalreasoning
videosolution
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GATE20141GA5 Video Solution
The roots of $ax^{2}+bx+c = 0$ are real and positive. $a, b$ and $c$ are real. Then $ax^{2}+b\mid x \mid + c =0$ has no roots $2$ real roots $3$ real roots $4$ real roots
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gate20141
numericalability
quadraticequations
normal
videosolution
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GATE2018GA6 Video Solution
In appreciation of the social improvements completed in a town, a wealthy philanthropist decided to gift $Rs\; 750$ to each male senior citizen in the town and $Rs\; 1000$ to each female senior citizen. Altogether, there were 300 senior citizens eligible for this gift. ... Rupees) did the philanthropist give away in total? $1,50,000$ $2,00,000$ $1,75,000$ $1,51,000$
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gate2018
numericalability
fractions
normal
videosolution
0
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GATE20171GA7 Video Solution
Six people are seated around a circular table. There are at least two men and two women. There are at least three righthanded persons. Every woman has a lefthanded person to her immediate right. None of the women are righthanded. The number of women at the table is $2$ $3$ $4$ Cannot be determined
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gate20171
numericalability
roundtablearrangement
videosolution
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GATE2019GA3 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 _____. $1$ $2$ $3$ $6$
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gate2019
generalaptitude
numericalability
speedtimedistance
videosolution
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GATE20171GA8 Video Solution
The expression $\large \frac{(x+y)  xy}{2}$ is equal to : The maximum of $x$ and $y$ The minimum of $x$ and $y$ $1$ None of the above
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gate20171
generalaptitude
numericalability
maximaminima
absolutevalue
videosolution
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GATE20141GA10 Video Solution
When a point inside of a tetrahedron (a solid with four triangular surfaces) is connected by straight lines to its corners, how many (new) internal planes are created with these lines?
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gate20141
numericalability
geometry
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normal
numericalanswers
videosolution
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GATE201365 Video Solution
The current erection cost of a structure is Rs. 13,200. If the labour wages per day increase by 1/5 of the current wages and the working hours decrease by 1/24 of the current period, then the new cost of erection in Rs. is 16,500 15,180 11,000 10,120
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gate2013
numericalability
normal
worktime
videosolution
0
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GATE20142GA10 Video Solution
At what time between $6$ a. m. and $7$ a. m. will the minute hand and hour hand of a clock make an angle closest to $60°$? $6: 22$ a.m. $6: 27$ a.m. $6: 38$ a.m. $6: 45$ a.m.
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gate20142
numericalability
normal
clocktime
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GATE20162GA06 Video Solution
Among $150$ faculty members in an institute, $55$ are connected with each other through Facebook and $85$ are connected through Whatsapp. $30$ faculty members do not have Facebook or Whatsapp accounts. The numbers of faculty members connected only through Facebook accounts is _______. $35$ $45$ $65$ $90$
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gate20162
numericalability
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GATE2012 CY: GA9 Video Solution
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 $2$ $3$ $4$ $8$
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gate2012cy
numericalability
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GATE201162 Video Solution
$P, Q, R$ and $S$ are four types of dangerous microbes recently found in a human habitat. The area of each circle with its diameter printed in brackets represents the growth of a single microbe surviving human immunity system within $24$ hours of entering ... against the most dangerous microbe. Which microbe should the company target in its first attempt? $P$ $Q$ $R$ $S$
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gate2011
numericalability
datainterpretation
normal
videosolution
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