Recent questions tagged cat2018-2

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1

CAT2018-2: 66
Each visitor to an amusement park needs to buy a ticket. Tickets can be Platinum, Gold, or Economy. Visitors are classified as Old, Middle-aged, or Young. The following facts are known about visitors and ticket sales on a particular day: $140$ ... Middle-aged and Young visitors buying Gold tickets were equal The numbers of Gold and Platinum tickets bought by Young visitors were equal

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 24 views

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2

CAT2018-2: 67
The value of sum $7 \times 11 + 11 \times 15 + 15 \times 19 + \dots$ + $95 \times 99$ is $80707$ $80773$ $80730$ $80751$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 23 views

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3

CAT2018-2: 68
How many two-digit numbers, with a non-zero digit in the units place, are there which are more than thrice the number formed by interchanging the positions of its digits? $5$ $6$ $8$ $7$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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4

CAT2018-2: 69
The smallest integer $n$ such that $n^{3} - 11n^{2} + 32n - 28 >0$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 22 views

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5

CAT2018-2: 75
A $20$% ethanol solution is mixed with another ethanol solution, say, $S$ of unknown concentration in the proportion $1:3$ by volume. This mixture is then mixed with an equal volume of $20$% ethanol solution. If the resultant mixture is a $31.25$% ethanol solution, then the unknown concentration of $S$ is $52$% $50$% $55$% $48$%

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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6

CAT2018-2: 74
Let $f\left (x \right )=max\left \{5x, 52 – 2x^{2}\right \}$ , where $x$ is any positive real numbers. Then the minimum possible value of $f(x)$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 14 views

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7

CAT2018-2: 73
A chord of length $5$ cm subtends an angle of $60^\circ$ at the centre of a circle. The length, in cm, of a chord that subtends an angle of $120^\circ$ at the centre of the same circle is $8$ $6\sqrt2$ $5\sqrt3$ $2\pi$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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8

CAT2018-2: 71
On a long stretch of cast-west road, $A$ and $B$ are two points such that $B$ is $350$ km west of A. One car starts from $A$ and another from B at the same time. If they move towards each other, then they meet after $1$ hour. If they both move towards east, then they meet in $7$ hrs. The difference between their speeds, in km per hour, is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 19 views

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9

CAT2018-2: 72
On a triangle $ABC$, a circle with diameter $BC$ is drawn, intersecting $AB$ and $AC$ at points $P$ and $Q$, respectively. If the lengths of $AB$, $AC$, and $CP$ are $30$ cm, $25$ cm, and $20$ cm respectively, then the length of $BQ$, in cm, is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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10

CAT2018-2: 70
Gopal borrows Rs. $X$ from Ankit at $8$% annual interest. He then adds Rs. $Y$ of his own money and lends Rs. $X+Y$ to Ishan at $10$% annual interest. At the end of the year, after returning Ankit's dues, the net interest retained by Gopal is ... the net interest retained by him would have increased by Rs. $150$. If all interests are compounded annually, then find the value of $X+Y$.

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 25 views

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11

CAT2018-2: 78
A water tank has inlets of two types $A$ and $B$. All inlets of type $A$ when open, bring in water at the same rate. All inlets of type $B$, when open, bring in water at the same rate. The empty tank is completely filled in $30$ minutes if $10$ inlets of ... . In how many minutes will the empty tank get completely filled if $7$ inlets of type $A$ and $27$ inlets of type $B$ are open?

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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12

CAT2018-2: 76
A tank is emptied everyday at a fixed time point. Immediately thereafter, either pump $A$ or pump $B$ or both start working until the tank is full. On Monday, $A$ alone completed filling the tank at $8$ pm. On Tuesday, $B$ alone completed filling the tank at $6$ pm ... the tank filled on Thursday if both pumps were used simultaneously all along? $4:36$ pm $4:12$ pm $4:24$ pm $4:48$ pm

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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13

CAT2018-2: 77
If $a$ and $b$ are integers such that $2x^{2}- ax + 2 > 0$ and $x^{2}-bx+8 \geq 0$ for all real numbers $x$, then the largest possible value of $2a-6b$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 14 views

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14

CAT2018-2: 83
A jar contains a mixture of $175$ ml water and $700$ ml alcohol. Gopal takes out $10$% of the mixture and substitutes it by water of the same amount. The process is repeated once again. The percentage of water in the mixture is now $35.2$ $30.3$ $20.5$ $25.4$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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15

CAT2018-2: 84
In a tournament, there are $43$ junior level and $51$ senior level participants. Each pair of juniors play one match. Each pair of seniors play one match. There is no junior versus senior match. The number of girl versus girl matches in junior level is $153$, while the number of boy versus boy matches in senior level is $276$. The number of matches a boy plays against a girl is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 16 views

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16

CAT2018-2: 82
Ramesh and Ganesh can together complete a work in $16$ days. After seven days of working together, Ramesh got sick and his efficiency fell by $30$%. As a result, they completed the work in $17$ days instead of $16$ days. If Ganesh had worked alone after Ramesh got sick, in how many days would he have completed the remaining work? $13.5$ $11$ $12$ $14.5$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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17

CAT2018-2: 79
If $N$ and $x$ are positive integers such that $N^{N}=2^{160}$ and $N^{2} + 2^{N}$ is an integral multiple of $2^{x}$, then the largest possible $x$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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18

CAT2018-2: 80
Let $t_{1}, t_{2},\dots$ be a real numbers such that $t_{1}+t_{2}+\dots+t_{n}=2n^{2}+9n+13$, for every positive integers $n\geq2$.If $t_{k}=103$ , then $k$ equals

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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19

CAT2018-2: 81
If $p^{3}=q^{4}=r^{5}=s^{6}$, then the value of $\log_{s}\left ( pqr \right )$ is equal to $16/5$ $1$ $24/5$ $47/10$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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20

CAT2018-2: 86
A parallelogram $ABCD$ has area $48$ sqcm. If the length of $CD$ is $8$ cm and that of $AD$ is $s$ c, then which one of the following is necessarily true? $s\geq6$ $s\neq6$ $s\leq6$ $5\leq s\leq7$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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21

CAT2018-2: 87
Let $a_{1},a_{2},\dots , a_{52}$ be a positive integers such that $a_{1}<a_{2}<\dots < a_{52}$. Suppose, their arithmetic mean is one less than the arithmetic mean of $a_{2},a_{3},\dots , a_{52}$. If $a_{52}=100$ , then the largest possible value of $a_{1}$ is $20$ $23$ $48$ $45$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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22

CAT2018-2: 88
Points $A$ and $B$ are $150$ km apart. Cars $1$ and $2$ travel from $A$ to $B$, but car $2$ starts from $A$ when car $1$ is already $20$ km away from $A$. Each car travels at a speed of $100$ kmph for the first $50$ km, at $50$ kmph for the next $50$ km, and at $25$ kmph for the last $50$ km. The distance, in km, between car $2$ and $B$ when car $1$ reaches $B$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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23

CAT2018-2: 89
The arithmetic mean of $x,y$ and $z$ is $80$, and that of $x,y,z,u$ and $v$ is $75$, where $u=\left (x+y \right)/2$ and $v=\left (y+z \right)/2$. If $x\geq z$, then the minimum possible value of $x$ is

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 21 views

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24

CAT2018-2: 90
If the sum of squares of two numbers is $97$, then which one of the following cannot be their product? $-32$ $48$ $64$ $16$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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25

CAT2018-2: 85
If $A=\left \{6^{2n} – 35n – 1: n=1,2,3 \dots \right \}$ and $B= \left \{35\left (n – 1 \right ) : n=1,2,3\dots \right \}$ then which of the following is true? Neither every member of $A$ is in $B$ nor every member of $B$ is in $A$ Every member of $A$ is in $B$ and at least one member of $B$ is not in $A$ Every member of $B$ is in $A$. At least one member of $A$ is not in $B$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 12 views

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26

CAT2018-2: 94
The area of a rectangle and the square of its perimeter are in the ratio $1:25$. Then the lengths of the shorter and longer sides of the rectangle are in the ratio $1:4$ $2:9$ $1:3$ $3:8$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 16 views

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27

CAT2018-2: 93
The strength of a salt solution is $p$% if $100$ ml of the solution contains $p$ grams of salt. If three salt solutions $A, B, C$ are mixed in the proportion $1:2:3$, then the resulting solution has strength $20$%. If instead the proportion is $3:2:1$, then the resulting solution has ... in the ratio $2:7$. The ratio of the strength of $D$ to that of $A$ is $2:5$ $1:3$ $1:4$ $3:10$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 14 views

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28

CAT2018-2: 95
The scores of Amal and Bimal in an examination are in the ratio $11: 14$. After an appeal, their scores increase by the same amount and their new scores are in the ratio $47 : 56$. The ratio of Bimal's new score to that of his original score is $5:4$ $8:5$ $4:3$ $3:2$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 23 views

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29

CAT2018-2: 91
For two sets $A$ and $B$, let $A \triangle B$ denote the set of elements which belong to $A$ or $B$ but not both. If $P= {1,2,3,4}$, $Q ={2,3,5,6}$, $R= {1,3,7,8,9}$, $S = {2,4,9,10},$ then the number of elements in $(P\triangle Q)A(R\triangle S)$ is $9$ $7$ $6$ $8$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 18 views

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30

CAT2018-2: 92
The smallest integer $n$ for which $4^{n}>17^{19}$ hold, is closest to $33$ $37$ $39$ $35$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 19 views

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31

CAT2018-2: 96
From a rectangle $ABCD$ of area $768$ sqcm, a semicircular part with diameter $AB$ and area $72\pi$ sq cm is removed. The perimeter of the leftover portion, in cm, is $80 + 16\pi$ $86+8\pi$ $82+24\pi$ $88+12\pi$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 16 views

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32

CAT2018-2: 97
A triangle $ABC$ has area $32$ sq units and its side $BC$, of length $8$ units, lies on the line $x =4$. Then the shortest possible distance between $A$ and the point $(0,0)$ is $4$ units $8$ units $4\sqrt2$ units $ 2\sqrt2$ units

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 17 views

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33

CAT2018-2: 98
There are two drums, each containing a mixture of paints $A$ and $B$. In drum $1, A$ and $B$ are in the ratio $18: 7$. The mixtures from drums $1$ and $2$ are mixed in the ratio $3: 4$ and in this final mixture, $A$ and $B$ are in the ratio $13 :7$. In drum $2$, then $A$ and $B$ were in the ratio $229:141$ $220:149$ $239: 161$ $251: 163$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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34

CAT2018-2: 99
Points $A, P, Q$ and $B$ lie on the same line such that $P, Q$ and $B$ are, respectively, $100$ km, $200$ km and $300$ km away from $A$. Cars $1$ and $2$ leave $A$ at the same time and move towards $B$. Simultaneously, car $3$ leaves $B$ and moves towards $A$. ... each car is moving in uniform speed then the ratio of the speed of car $2$ to that of car $1$ is $1:2$ $2:9$ $1:4$ $2:7$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 20 views

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35

CAT2018-2: 100
$\frac{1}{log_{2}100} – \frac{1}{log_{4}100} + \frac{1}{log_{5}100} – \frac{1}{log_{10}100} + \frac{1}{log_{20}100} – \frac{1}{log_{25}100} + \frac{1}{log_{50}100}$=? $1/2$ $0$ $10$ $-4$

asked Mar 20 in Quantitative Aptitude by jothee (11.3k points) | 19 views

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36

CAT2018-2: 56
An agency entrusted to accredit colleges looks at four parameters: faculty quality $(F)$, reputation $(R)$. placement quality $(P)$, and infrastructure (I). The four parameters are used to arrive at an overall score, which the agency uses to give an ... $A$-one. How many colleges receive the accreditation of $AAA$?

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 22 views

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37

CAT2018-2: 57
An agency entrusted to accredit colleges looks at four parameters: faculty quality $(F)$, reputation $(R)$. placement quality $(P)$, and infrastructure (I). The four parameters are used to arrive at an overall score, which the agency uses to give an ... is better than Cosmopolitan; and Education Aid is better than $A$-one. what is the highest overall score among the eight colleges?

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 27 views

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38

CAT2018-2: 58
An agency entrusted to accredit colleges looks at four parameters: faculty quality $(F)$, reputation $(R)$. placement quality $(P)$, and infrastructure (I). The four parameters are used to arrive at an overall score, which the agency uses to give an accreditation to the colleges. ... $A$-one. How many colleges have overall scores between $31$ and $40$, both exclusive? $1$ $3$ $0$ $2$

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 22 views

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39

CAT2018-2: 59
According to a coding scheme the sentence Peacock is designated as the national bird of India is coded as $5688999$ $35$ $1135556678$ $56$ $458$ $13666689$ $1334$ $79$ $13366$ This coding scheme has the following rules: The scheme is case-insensitive (does not distinguish between ... this information. What best can be concluded about the code for the letter $L$? $1$ $1$ or $8$ $6$ $8$

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 17 views

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40

CAT2018-2: 60
According to a coding scheme the sentence Peacock is designated as the national bird of India is coded as $5688999$ $35$ $1135556678$ $56$ $458$ $13666689$ $1334$ $79$ $13366$ This coding scheme has the following rules: The scheme is case-insensitive (does not distinguish between upper case ... can be concluded about the code for the letter $B$? $1$ or $3$ or $4$ $3$ $1$ $3$ or $4$

asked Mar 20 in Logical Reasoning by jothee (11.3k points) | 18 views

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