Recent questions tagged numerical-ability - GO Electrical

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GATE2019 EE: GA-3
The missing number in the given sequence $343,1331,$_____$,4913$ is $3375$ $2744$ $2197$ $4096$

asked Feb 12, 2019 in Numerical Ability by Arjun (5.4k points)

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2

GATE2019 EE: GA-4
It takes two hours for a person $X$ to mow the lawn. $Y$ can mow the same lawn in four hours. How long (in minutes) will it take $X$ and $Y,$ if they work together to mow the lawn$?$ $60$ $80$ $90$ $120$

asked Feb 12, 2019 in Numerical Ability by Arjun (5.4k points)

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3

GATE2019 EE: GA-6
How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$

asked Feb 12, 2019 in Numerical Ability by Arjun (5.4k points)

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4

GATE2019 EE: GA-7
The ration of the number of boys and girls who participated in an examination is $4:3.$ The total percentage of candidates who passed the examination is $80$ and the percentage of girls who passed the exam is $90.$ The percentage of boys who passed is _______. $55.50$ $72.50$ $80.50$ $90.00$

asked Feb 12, 2019 in Numerical Ability by Arjun (5.4k points)

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5

GATE2019 EE: GA-9
Given two sets $X=\{1,2,3\}$ and $Y=\{2,3,4\},$ we construct a set $Z$ of all possible fractions where the numerators belong to set $X$ and the denominators belong to set $Y.$ The product of elements having minimum and maximum values in the set $Z$ is _____. $1/12$ $1/8$ $1/6$ $3/8$

asked Feb 12, 2019 in Numerical Ability by Arjun (5.4k points)

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6

GATE2018-GA-9
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, the ... $35.75$ $40.25$ $43.75$ $46.25$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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7

GATE2018-GA-8
A class of twelve children has two more boys than girls. A group of three children are randomly picked from this class to accompany the teacher on a field trip. What is the probability that the group accompanying the teacher contains more girls than boys? $0 \\ $ $\frac{325}{864} \\ $ $\frac{525}{864} \\ $ $\frac{5}{12}$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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8

GATE2018-GA-5
Functions $F(a,b)$ and $G(a,b)$ are defined as follows: $F(a,b)=(a-b)^{2}$ and $G(a,b)=\mid a-b\mid ,$ where $\mid x\mid$ represents the absolute value of $x.$ What would be the value of $G(F(1,3),G(1,3))?$ $2$ $4$ $6$ $36$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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9

GATE2018-GA-6
An e-mail password must contain three characters. The password has to contain one numeral from $0$ to $9,$ one upper case and one lower case character from the English alphabet. How many distinct passwords are possible$?$ $6,760$ $13,520$ $40,560$ $1,05,456$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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10

GATE2018-GA-3
The three roots of the equation $f(x) = 0$ are $x = {−2, 0, 3}.$ What are the three values of $ x $ for which $f(x − 3) = 0?$ $−5 , −3 , 0 $ $−2 , 0 , 3$ $0 , 6 , 8$ $1 , 3 , 6$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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11

GATE2018-GA-4
For what values of $k$ given below is $\dfrac{(k + 2)^2}{(k - 3)}$ an integer? $4 , 8 , 18 $ $4 , 10 , 16$ $ 4 , 8 , 28 $ $8 , 26 , 28$

asked Feb 19, 2018 in Numerical Ability by Arjun (5.4k points)

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12

GATE2013-64
A car travels $8$ km in the first quarter of an hour, $6$ km in the second quarter and $16$ km in the third quarter. The average speed of the car in km per hour over the entire journey is $30$ $36$ $40$ $24$

asked Feb 12, 2017 in Numerical Ability by piyag476 (1.5k points)

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13

GATE2013-57
In the summer of $2012,$ in New Delhi, the mean temperature of Monday to Wednesday was $41^{\circ}C$ and of Tuesday to Thursday was $43^{\circ}C$. If the temperature on Thursday was $15\%$ higher than that of Monday, then the temperature in $^{\circ}C$ on Thursday was $40$ $43$ $46$ $49$

asked Feb 12, 2017 in Numerical Ability by piyag476 (1.5k points)

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14

GATE2013-63
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$

asked Feb 12, 2017 in Numerical Ability by piyag476 (1.5k points)

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15

GATE2013-61
What is the chance that a leap year, selected at random, will contain $53$ Saturdays? $2/7$ $3/7$ $1/7$ $5/7$

asked Feb 12, 2017 in Numerical Ability by piyag476 (1.5k points)

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16

GATE2013-65
Find the sum to $n$ terms of the series $10+84+ 734 +\dots $ $\frac{9(9^n+1)}{10}+1$ $\frac{9(9^n-1)}{8}+1$ $\frac{9(9^n-1)}{8}+n$ $\frac{9(9^n-1)}{8}+n^2$

asked Feb 12, 2017 in Numerical Ability by piyag476 (1.5k points)

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17

GATE2014-1-GA-8
Round-trip tickets to a tourist destination are eligible for a discount of $10\%$ on the total fare. In addition, groups of $4$ or more get a discount of $5\%$ on the total fare. If the one way single person fare is $Rs\:100$, a group of $5$ tourists purchasing round-trip tickets will be charged $Rs$ _________.

asked Feb 12, 2017 in Numerical Ability by makhdoom ghaya (9.3k points)

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18

GATE2014-1-GA-9
In a survey, $300$ ...

asked Feb 12, 2017 in Numerical Ability by makhdoom ghaya (9.3k points)

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19

GATE2014-1-GA-5
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

asked Feb 12, 2017 in Numerical Ability by makhdoom ghaya (9.3k points)

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