Recent questions tagged numerical-ability - GO Electronics

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GATE2017 EC-1: GA-10
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. The path from $P$ to $Q$ is best described by Up-Down-Up-Down Down-Up-Down-Up Down-Up-Down Up-Down-Up

asked May 31 in Numerical Ability by Lakshman Patel RJIT (130 points)

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GATE2019 EC: GA-3
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 respective constant rates, the time taken to complete the same order is ________ hours. $2/3$ $3/4$ $4/3$ $7/3$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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GATE2019 EC: GA-4
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 shelf. The number of different orders in which $P, Q$ and $T$ may be arranged is ______. $2$ $6$ $12$ $120$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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4

GATE2019 EC: GA-6
Four people are standing in a line facing you. They are Rahul, Mathew, Seema and Lohit. One is an engineer, one is a doctor, one a teacher and another a dancer. You are told that: Mathew is not standing next to Seema There are two people standing ... Seema is turning to her right to speak to the doctor standing next to her Who among them is an engineer? Seema Lohit Rahul Mathew

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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GATE2019 EC: GA-7
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 in Panel (b) and (c), respectively. The total population did not change during this period. The percentage increase in the total number of literates from $2001$ to $2011$ is ______. $30.43$ $33.43$ $34.43$ $35.43$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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GATE2019 EC: GA-9
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 hour hand moved by $210$ degrees on the clock. $Q$ stopped working when the hour ... . After paying the consultants, the client shall have USD _______ remaining in the budget. $000.00$ $166.67$ $300.00$ $433.33$

asked Feb 12 in Numerical Ability by Arjun (1.4k points)

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GATE2018-GA-9
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 ... the tune. Which of the following options is closest to the probability that the accident was caused by a blue cab? 12% 15% 41% 80%

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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GATE2018-GA-7
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$:$ $5:10$ $7:13$ $6:11$ $9:13$

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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9

GATE2018-GA-6
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? $5,00,000$ $6,21,000$ $6,66,667$ $7,50,000$

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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10

GATE2018-GA-5
A $1.5$ m tall person is standing at a distance of $3$ m from a lamp post. The light from the lamp at the top of the post casts her shadow. The length of the shadow is twice her height. What is the height of the lamp post in meters? $1.5$ $3$ $4.5$ $6$

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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11

GATE2018-GA-4
What is the value of $1+\frac{1}{4}+\frac{1}{16}+\frac{1}{256}+ \cdots?$ $2$ $\frac{7}{4}$ $\frac{3}{2}$ $\frac{4}{3}$

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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12

GATE2018-GA-3
If the number $715\blacksquare423$ is divisible by $3(\blacksquare$ denotes the missing digit in the thousandths place$),$ then the smallest whole number in the place of $\blacksquare$ is _________. $0$ $2$ $5$ $6$

asked Feb 19, 2018 in Numerical Ability by gatecse (1.4k points)

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13

GATE2017 EC-2: GA-10
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. Which of the following is the steepest path leaving from $P$? $\text{P to Q}$ $\text{P to R}$ $\text{P to S}$ $\text{P to T}$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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14

GATE2017 EC-2: GA-9
The number of $3$-digit numbers such that the digit $1$ is never to the immediate right of $2$ is $781$ $791$ $881$ $891$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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15

GATE2017 EC-2: GA-8
$1200$ men and $500$ women can build a bridge in $2$ weeks. $900$ men and $250$ women will take $3$ weeks to build the same bridge. How many men will be needed to build the bridge in one week? $3000$ $3300$ $3600$ $3900$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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GATE2017 EC-2: GA-7
Each of $P, Q, R, S, W, X, Y$and $Z$ has been married at most once . $X$ and $Y$ are married and have two children $P$ and $Q. Z$ is the grandfather of the daughter $S$ of $P$. Further , $Z$ and $Z$ are married and are parents of $R$. Which one of the ... mother-in-law of $R$ $P$ and $R$ are not married to each other $P$ is a son of $X$ and $Y$ $Q$ cannot be married to $R$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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17

GATE2017 EC-2: GA-5
$500$ students are taking one or more course out of Chemistry, Physics, and Mathematics. Registration records indicate course enrollment as follows: Chemistry $(329)$, Physics $(186)$, and Mathematics $(295)$. Chemistry and Physics $(83)$, Chemistry and Mathematics $(217)$, and Physics and Mathematics (63).How many students are taking all $3$ subjects? $37$ $43$ $47$ $53$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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18

GATE2017 EC-2: GA-4
Fatima starts from point $P$, goes North for $3$ km, and then East for $4$ km to reach point $Q$. She then turns to face point $P$ and goes $15$ km in that direction. She then goes North for $6$ km. How far is she from point $P$, and in which direction should she go to reach point $P$? $\text{8 km, East}$ $\text{12 km, North}$ $\text{6k m, East}$ $\text{10 km, North}$

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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19

GATE2017 EC-2: GA-3
A rule states that in order to drink beer, one must be over $18$ years old. In a bar, there are $4$ people. $P$ is $16$ years old. $Q$ is $25$ years old. $R$ is drinking milkshake and $S$ is drinking a beer. What must be checked to ensure that the rule is being followed? ... $\text{S's}$ age Only $\text{S's}$ age Only $\text{P's}$ drink, $\text{Q's}$ drink and $\text{S's}$ age

asked Nov 23, 2017 in Numerical Ability by admin (2.7k points)

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20

GATE2017 EC-1: GA-1
In the summer, water consumption is known to decrease overall by 25%.A Water Board official states that in the summer household consumption decreases by 20%, while other consumption increases by 70%. Which of the following statement is correct? (a)The ratio of ... /17 (c) The ratio of household to other consumption is 17/8 (d)There are errors in the official's statement.

asked Nov 17, 2017 in Numerical Ability by admin (2.7k points)

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21

GATE2017 EC-1: GA-9
There are $3$ Indians and $3$ Chinese in a group of $6$ people. How many subgroups of this group can we choose so that every subgroup has at least one Indian? $56$ $52$ $48$ $44$

asked Nov 17, 2017 in Numerical Ability by admin (2.7k points)

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22

GATE2017 EC-1: GA-8
Trucks ($10$ m long) and cars ($5$ m long) go on a single lane bridge. There must be a gap of at least $20$ m after each truck and a gap of at least $15$ m after each car. Trucks and cars travel at a speed of $36$ km/h. If cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one hour? $1440$ $1200$ $720$ $600$

asked Nov 17, 2017 in Numerical Ability by admin (2.7k points)

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