Recent questions tagged numerical-ability

0 0 votes
1 1 answer
407
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The statements (S$1$), (S$2$), and (S$3$) pertain to the scores obtained by students in an exam. The maximum possible marks in the exam is $150$.(S$1$) The highest score ...
1 1 vote
2 2 answers
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An organization allows its employees to work independently on consultancy projects but charges an overhead on the consulting fee. The overhead is $20 \%$ of the consultin...
1 1 vote
1 1 answer
537
537 views
Decimal $43$ in Hexadecimal and $\text{BCD}$ number system is respectively$\text{B2, 01000011}$$\text{2B, 01000011}$$\text{2B, 00110100}$$\text{B2, 0100 0100}$
9 9 votes
3 answers 3 answers
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The current population of a city is $11,02,500$ . If it has been increasing at the rate of $5\%$ per annum, what was its population $2$ years ago?$9,92,500$$9,95,006$$10,...
13 13 votes
4 answers 4 answers
1.5k
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$p$ and $q$ are positive integers and $\dfrac{p}{q}+\dfrac{q}{p}=3,$ then, $\dfrac{p^{2}}{q^{2}}+\dfrac{q^{2}}{p^{2}}=$$3$$7$$9$$11$
12 12 votes
2 answers 2 answers
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Consider a square sheet of side $1$ unit. In the first step, it is cut along the main diagonal to get two triangles. In the next step. one of the cut triangles is revolve...
13 13 votes
4 answers 4 answers
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The number of minutes spent by two students, $X$ and $Y$, exercising every day in a given week are shown in the bar chart above.The number of days in the given week in wh...
7 7 votes
3 answers 3 answers
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​​Corners are cut from an equilateral triangle to produce a regular convex hexagon as shown in the figure above.The ratio of the area of the regular convex hexagon to the...
5 5 votes
4 answers 4 answers
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A superadditive function $f(\cdot)$ satisfies the following property $$f\left ( x_{1} +x_{2}\right )\geq f\left ( x_{1} \right ) + f\left ( x_{2} \right )$$Which of the f...
9 9 votes
4 answers 4 answers
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It is quarter past three in your watch. The angle between the hour hand and the minute hand is ________.$0^{\circ}$$7.5^{\circ}$$15^{\circ}$$22.5^{\circ}$
15 15 votes
5 answers 5 answers
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A circle with centre $\text{O}$ is shown in the figure. A rectangle $\text{PQRS}$ of maximum possible area is inscribed in the circle. If the radius of the circle is $a$,...
8 8 votes
3 answers 3 answers
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$a, b, c$ are real numbers. The quadratic equation $ax^{2}-bx+c=0$ has equal roots, which is $\beta$, then$\beta =b/a$$\beta^{2} =ac$$\beta^{3} =bc/\left ( 2a^{2} \right ...
9 9 votes
4 answers 4 answers
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The following figure shows the data of students enrolled in $5$ years $(2014\;\text{to}\; 2018)$ for two schools $P$ and $Q$. During this period, the ratio of the average...
9 9 votes
2 answers 2 answers
1.1k
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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 $25$ ...
12 12 votes
5 answers 5 answers
960
960 views
It would take one machine $4$ hours to complete a production order and another machine $2$ hours to complete the same order. If both machines work simultaneously at their...
6 6 votes
4 answers 4 answers
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Five different books $(P, Q, R, S, T)$ are to be arranged on a shelf. The books $R$ and $S$ are to be arranged first and second, respectively from the right side of the s...
17 17 votes
3 answers 3 answers
1.2k
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The bar graph in panel (a) shows the proportion of male and female illiterates in $2001$ and $2011.$ The proportions of males and females in $2001$ and $2011$ are given i...
15 15 votes
4 answers 4 answers
1.1k
1.1k views
Two design consultants, $P$ and $Q,$ started working from $8$ AM for a client. The client budgeted a total of USD $3000$ for the consultants. $P$ stopped working when the...
5 5 votes
3 answers 3 answers
687
687 views
It takes $10$s and $15$s, respectively, for two trains traveling at a different constant speeds to completely pass a telegraph post. The length of the first train is $120...
12 12 votes
2 answers 2 answers
1.1k
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The velocity $V$ of a vehicle along a straight line is measured in m/s and plotted as shown with respect to time in seconds. At the end of the $7$ seconds, how much will ...
18 18 votes
3 answers 3 answers
1.5k
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Find the area bounded by the lines $3x+2y=14$, $2x-3y=5$ in the first quadrant.$14.95$$15.25$$15.70$$20.35$
21 21 votes
2 answers 2 answers
835
835 views
A straight line is fit to a data set $(\text{ln }x,y).$ This line intercepts the abscissa at $\text{ln } x =0.1$ and has a slope of $-0.02$. What is the value of $y$ at $...
16 16 votes
7 answers 7 answers
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1.2k views
$S$, $M$, $E$ and $F$ are working in the shifts in a team to finish a project. $M$ works with twice the efficiency of others but for half as many days as $E$ worked. $S$ ...
8 8 votes
3 answers 3 answers
662
662 views
The Venn diagram shows the preference of the students population for leisure activities. From the data given, the number of stud...
16 16 votes
2 answers 2 answers
875
875 views
Two and a quarter hours back, when seen in a mirror, the reflection of a wall clock without umber markings seemed to show $1.30$. What is the actual current time shown by...
28 28 votes
1 answers 1 answer
966
966 views
$M$ and $N$ start from the same location. $M$ travels $10$ km east ad then $10$ km North-East. $N$ travels $5$ km South and then $4$ km South-East. What is the shortest d...
13 13 votes
1 answers 1 answer
660
660 views
A wire of length $340$ mm is to be cut into two parts. One of the parts is to be made into a square and the other into a rectangle where sides are in the ratio of $1:2$. ...
7 7 votes
3 answers 3 answers
736
736 views
In a huge pile of apples and oranges, both ripe and unripe mixed together,$15\%$ are unripe fruits. Of the unripe fruits, $45 \%$ are apples. Of the ripe ones, $66 \%$ ar...
7 7 votes
5 answers 5 answers
585
585 views
A person moving through a tuberculosis prone zone has a $50 \%$ probability of becoming infected. However, only $30 \%$ of infected people develop the disease. What perce...
13 13 votes
4 answers 4 answers
813
813 views
If $q^{-a} = \frac{1}{r}$ and $r^{-b}=\frac{1}{s}$ and $s^{-c} = \frac{1}{q}$ ,the value of $abc$ is______.$(rqs)^{-1}$$0$$1$$r+q+s$