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NIELIT 2022 Feb Scientist D - Section D: 28
The average of the three numbers $x, y$ and $z$ is $48. x$ is greater than the average of $y$ and $z$ by $9.$ The average of $y$ and $z$ is greater than $y$ by $2.$ Then the difference of $x$ and $z$ is : $2$ $6$ $7$ $8$

Lakshman Bhaiya asked in Quantitative Aptitude Jul 22, 2022

by Lakshman Bhaiya

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NIELIT 2022 Feb Scientist D - Section C: 11
The average score of boys in an examination of a school is $71$ and that of girls is $73.$ The average score of the school in that examination is $71.8$. Find the ratio of the number of boys to the number of girls that appeared in the examination : $2: 2$ $4: 2$ $3: 2$ $1: 2$

Lakshman Bhaiya asked in Quantitative Aptitude Jul 22, 2022

by Lakshman Bhaiya

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NIELIT 2022 Feb Scientist C - Section D: 23
The average age of a teacher and $25$ students is $17$ years. If the teacher’s age is excluded, the average reduces by $2$ years. The age of the teacher is : $63$ years $65$ years $67$ years $69$ years

Lakshman Bhaiya asked in Quantitative Aptitude Jul 21, 2022

by Lakshman Bhaiya

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CAT 2001 | Question: 39
The batting average $\text{(BA)}$ of a test batsman is computed from runs scored and innings played-completed innings and incomplete innings (not out) in the following manner: $r_1$ = number of runs scored in completed innings; $n_1$ = number of completed ... will increase and not enough data is available to assess change in $\text{MBA}_1$ and $\text{MBA}_2$ None of these

Lakshman Bhaiya asked in Quantitative Aptitude Apr 9, 2022

by Lakshman Bhaiya

13.6k points

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CAT 2021 Set-2 | Quantitative Aptitude | Question: 11
In a football tournament, a player has played a certain number of matches and $10$ more matches are to be played. If he scores a total of one goal over the next $10$ matches, his overall average will be $0.15$ goals per match. On ... the next $10$ matches, his overall average will be $0.2$ goals per match. The number of matches he has played is

soujanyareddy13 asked in Quantitative Aptitude Jan 20, 2022

by soujanyareddy13

2.7k points

1.2k views

1 vote

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CAT 2021 Set-1 | Quantitative Aptitude | Question: 16
Suppose hospital $\text{A}$ admitted $21$ less Covid infected patients than hospital $\text{B},$ and all eventually recovered. The sum of recovery days for patients in hospitals $\text{A}$ and $\text{B}$ were $200$ and $152,$ ... $3$ more than the average in hospital $\text{B}$ then the number admitted in hospital $\text{A}$ was

soujanyareddy13 asked in Quantitative Aptitude Jan 19, 2022

by soujanyareddy13

2.7k points

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1 vote

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CAT 2021 Set-1 | Quantitative Aptitude | Question: 21
Onion is sold for $5$ consecutive months at the rate of $\text{Rs}\; 10, 20, 25, 25,$ and $50 \; \text{per kg},$ respectively. A family spends a fixed amount of money on onion for each of the first three months, and then spends half that ... $5 \; \text{months}$ is closest to $18$ $16$ $26$ $20$

soujanyareddy13 asked in Quantitative Aptitude Jan 19, 2022

by soujanyareddy13

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CAT 2020 Set-3 | Question: 74
A batsman played $n + 2$ innings and got out on all occasions. His average score in these $n + 2$ innings was $29$ runs and he scored $38$ and $15$ runs in the last two innings. The batsman scored less than $38$ runs in each of the first $n$ innings. ... average score was $30$ runs and lowest score was $x$ runs. The smallest possible value of $x$ is $2$ $3$ $4$ $1$

soujanyareddy13 asked in Quantitative Aptitude Sep 17, 2021

by soujanyareddy13

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2 votes

1 answer

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CAT 2020 Set-2 | Question: 76
In a group of $10$ students, the mean of the lowest $9$ scores is $42$ while the mean of the highest $9$ scores is $47.$ For the entire group of $10$ students, the maximum possible mean exceeds the minimum possible mean by $4$ $3$ $5$ $6$

soujanyareddy13 asked in Quantitative Aptitude Sep 17, 2021

by soujanyareddy13

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453 views

1 vote

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CAT 2020 Set-1 | Question: 64
The mean of all $4-$digit even natural numbers of the form $\text{‘}aabb\text{’},$ where $a>0,$ is $5050$ $4466$ $5544$ $4864$

soujanyareddy13 asked in Quantitative Aptitude Sep 16, 2021

by soujanyareddy13

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391 views

3 votes

1 answer

11

CAT 2020 Set-1 | Question: 73
Let $\text{A, B}$ and $\text{C}$ be three positive integers such that the sum of $\text{A}$ and the mean of $\text{B}$ and $\text{C}$ is $5$. In addition, the sum of $\text{B}$ and the mean of $\text{A}$ and $\text{C}$ is $7$. Then the sum of $\text{A}$ and $\text{B}$ is $6$ $5$ $7$ $4$

soujanyareddy13 asked in Quantitative Aptitude Sep 16, 2021

by soujanyareddy13

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402 views

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12

NIELIT 2019 Feb Scientist D - Section C: 21
The average of $8$ readings is $24.3$, out of which the average of first two is $18.5$ and that of next three is $21.2$. If the sixth reading is $3$ less than seventh and $8$ less than eighth, what is the sixth reading ? $24.8$ $26.5$ $27.6$ $29.4$

Lakshman Bhaiya asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Bhaiya

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13

NIELIT 2016 MAR Scientist C - Section A: 3
In the first $10$ overs of a cricket game, the run rate was only $3.2$. What should be the run rate in the remaining $40$ overs to reach the target of $282$ runs? $6.25$ $6.5$ $6.75$ $7$

Lakshman Bhaiya asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Bhaiya

13.6k points

480 views

1 vote

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14

NIELIT 2016 MAR Scientist C - Section A: 14
A car owner buys petrol at $\text{Rs. }7.50, \text{Rs. }8$ and $\text{Rs. }8.50$ per litre for three successive years. What approximately is the average cost per litre of petrol if he spends $\text{Rs. }4000$ each year? $\text{Rs. 7.98}$ $\text{Rs. 6}$ $\text{Rs. 9.50}$ $\text{Rs. 9.5}$

Lakshman Bhaiya asked in Quantitative Aptitude Apr 2, 2020

by Lakshman Bhaiya

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595 views

1 vote

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15

NIELIT 2016 DEC Scientist B - Section A: 52
The average of the husband and his wife age was $23$ years at the time of their marriage. After five years they have a one year old child. The average age of the family now is : $29.3$ years $28.5$ years $23$ years $19$ years

Lakshman Bhaiya asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Bhaiya

13.6k points

685 views

1 vote

1 answer

16

CAT 2019 Set-2 | Question: 75
The average of $30$ integers is $5$. Among these $30$ integers, there are exactly $20$ which do not exceed $5$. What is the highest possible value of the average of these $20$ integers? $4$ $3.5$ $4.5$ $5$

go_editor asked in Quantitative Aptitude Mar 20, 2020

13.7k points

520 views

2 votes

1 answer

17

CAT 2018 Set-1 | Question: 75
In an apartment complex, the number of people aged $51$ years and above is $30$ and there are at most $39$ people whose ages are below $51$ years. The average age of all the people in the apartment complex is $38$ years. What is the largest possible average age, in years, of the people whose ages are below $51$ years? $27$ $28$ $26$ $25$

go_editor asked in Quantitative Aptitude Mar 20, 2020

13.7k points

472 views

2 votes

1 answer

18

CAT 2018 Set-1 | Question: 86
A $\text{CAT}$ aspirant appears for a certain number of tests. His average score increases by $1$ if the first $10$ tests are not considered, and decreases by $1$ if the last $10$ tests are not considered. If his average scores for the first $10$ and the last $10$ tests are $20$ and $30$, respectively, then the total number of tests taken by him is ________

go_editor asked in Quantitative Aptitude Mar 20, 2020

13.7k points

543 views

1 vote

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19

CAT 2017 Set-2 | Question: 72
The average height of $22$ toddlers increases by $2$ inches when two of them leave this group. If the average height of these two toddlers is one-third the average height of the original $22$, then the average height, in inches, of the remaining $20$ toddlers is $30$ $28$ $32$ $26$

go_editor asked in Quantitative Aptitude Mar 16, 2020

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20

CAT 2017 Set-1 | Question: 69
An elevator has a weight limit of $630$ kg. It is carrying a group of people of whom the heaviest weighs $57$ kg and the lightest weighs $53$ kg. What is the maximum possible number of people in the group? $12$ $13$ $11$ $14$

go_editor asked in Quantitative Aptitude Mar 13, 2020

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497 views

1 vote

1 answer

21

CAT 2017 Set-1 | Question: 80
A class consists of $20$ boys and $30$ girls. In the mid-semester examination, the average score of the girls was $5$ higher than that of the boys. In the final exam, however, the average score of the girls dropped by $3$ while the average score of the entire class increased by $2$. The increase in the average score of the boys is $9.5$ $10$ $4.5$ $6$

go_editor asked in Quantitative Aptitude Mar 13, 2020

13.7k points

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22

CAT 2015 | Question: 99
Amol was asked to calculate the arithmetic mean of $10$ positive integers, each of which had $2$ digits. By mistake, he interchanged the $2$ digits, say $a$ and $b$, in one of these $10$ integers. As a result, his answer for the arithmetic mean was $1.8$ more than what is should have been. Then $b – a$ equals ________

go_editor asked in Quantitative Aptitude Mar 9, 2020

13.7k points

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23

CAT 2011 | Question: 3
Mohan is a carpenter who specialises in making chairs. For every assignment he undertakes, he charges his commision and cost. His commission is fixed and equals $ ₹560$ per assignment while the cost equals $ ₹2n^2$ where, $n$ is the total number of chairs he makes. If for a certain ... $13\:\text{and}\:19$ $13\:\text{and}\:20$ $14\:\text{and}\:19$ $14\:\text{and}\:20$

Krithiga2101 asked in Quantitative Aptitude Mar 9, 2020

by Krithiga2101

298 points

987 views

1 vote

1 answer

24

CAT 2019 Set-1 | Question: 73
Ramesh and Gautam are among $22$ students who write an examination. Ramesh scores $82.5$. The average score of the $21$ students other than Gautam is $62$. The average score of all the $22$ students is one more than the average score of the $21$ students other than Ramesh. The score of Gautam is $49$ $48$ $51$ $53$

go_editor asked in Quantitative Aptitude Mar 8, 2020

13.7k points

736 views

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25

CAT 2001 | Question: 38
The batting average $\text{(BA)}$ of a test batsman is computed from runs scored and innings played-completed innings and incomplete innings (not out) in the following manner: $r_1$ = number of runs scored in completed innings; $n_1$ = number of completed innings $r_2$ = ... $\text{MBA}_2 \leq \text{BA} \leq \text{MBA}_1$ None of these

go_editor asked in Quantitative Aptitude Mar 31, 2016

13.7k points

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26

CAT 2001 | Question: 22
Three math classes; $\text{X, Y},$ and $\text{Z},$ take an algebra test. The average score in class $\text{X}$ is $83.$ The average score in class $\text{Y}$ is $76.$ The average score in class $\text{Z}$ is $85.$ The average score of all students in classes ... $\text{Y}$ and $\text{Z}$ together is $81.$ What is the average for all three classes? $81$ $81.5$ $82$ $84.5$

go_editor asked in Quantitative Aptitude Mar 31, 2016

13.7k points

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27

CAT 2001 | Question: 13
A college has raised $75\%$ of the amount it needs for a new building by receiving an average donation of Rs. $600$ from the people already solicited. The people already solicited represent $60\%$ of the people the college will ask for donations. If the ... what should be the average donation from the remaining people to be solicited? Rs $300$ Rs $250$ Rs $400$ Rs $500$

go_editor asked in Quantitative Aptitude Mar 31, 2016

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28

CAT 2000 | Question: 103
A shipping clerk has five boxes of different but unknown weights each weighing less than $100$ kg. The clerk weighs the boxes in pairs. The weights obtained are $110, 112, 113, 114, 115, 116, 117, 118, 120$ and $121$ kg. What is the weight, in kg, of the heaviest box? $60$ $62$ $64$ Cannot be determined

go_editor asked in Quantitative Aptitude Mar 29, 2016

13.7k points

564 views

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29

CAT 2000 | Question: 61
Consider a sequence of seven consecutive integers. The average of the first five integers is $n.$ The average of all the seven integers is $n$ $n+1$ $\text{K} \times n, \text {where K is a function of } n$ $n + \frac{2}{7}$

go_editor asked in Quantitative Aptitude Mar 28, 2016

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30

CAT 2002 | Question: 60
A boy finds the average of $10$ positive integers. Each integer contains two digits. By mistake, the boy interchanges the digits of one number say $ba$ for $ab.$ Due to this, the average becomes $1.8$ less than the previous one. What is the difference between two digits $a$ and $b?$ $4$ $2$ $6$ $8$

go_editor asked in Quantitative Aptitude Mar 1, 2016

13.7k points

299 views

1 vote

1 answer

31

CAT 2007 | Question: 23
Consider the set $S = \{2, 3, 4, \dots , 2n+1\} $ where $n$ is a positive integer larger than $2007.$ Define $\text{X}$ as the average of the odd integers in $S$ and $\text{Y}$ as the average of the even integers in $S$. What is the value of $\text{X-Y}?$ $0$ $1$ $n/2$ $n+1/2n$ $2008$

go_editor asked in Quantitative Aptitude Dec 7, 2015

13.7k points

787 views

2 votes

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32

Question on Averages
The average age of Sachin and Ganguli is 35 yrs. If Kaif replaces Sachin, the average age is 32 yrs, if Kaif replaces Ganguly average age is 38 yr. If the average age of Dhoni and Irfan is half of average age of Sachin, Ganguli and Kaif. then average age of all the five people is A: 28 yrs B: 32 yrs C: 25 yrs D:none of these

Tendua asked in Quantitative Aptitude Oct 31, 2015

by Tendua

188 points

3.9k views

1 vote

3 answers

33

In a class of 51 students, the difference between the highest mark and the least mark is 70.

makhdoom ghaya asked in Quantitative Aptitude Aug 22, 2015

by makhdoom ghaya

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