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Recent questions tagged average

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1
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 $r_2$ = ... $\text{MBA}_1$ and $\text{MBA}_2$ None of these
asked Apr 9 in Quantitative Aptitude Lakshman Patel RJIT 10.7k points 118 744 833 19 views
1 vote
1 answer
2
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 other hand, if he scores a total of two goals over the next $10$ matches, his overall average will be $0.2$ goals per match. The number of matches he has played is
asked Jan 20 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 70 views
1 vote
1 answer
3
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 $152,$ respectively. If the average recovery days for ... $\text{A}$ was $3$ more than the average in hospital $\text{B}$ then the number admitted in hospital $\text{A}$ was
asked Jan 19 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 80 views
1 vote
1 answer
4
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 amount on onion for each of the next ... for onion, $\text{in rupees per kg},$ for the family over these $5 \; \text{months}$ is closest to $18$ $16$ $26$ $20$
asked Jan 19 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 89 views
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5
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. In these $n$ innings, his average score was $30$ runs and lowest score was $x$ runs. The smallest possible value of $x$ is $2$ $3$ $4$ $1$
asked Sep 17, 2021 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 77 views
2 votes
1 answer
6
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 $4$ $3$ $5$ $6$
asked Sep 17, 2021 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 116 views
1 vote
1 answer
7
The mean of all $4-$digit even natural numbers of the form $`aabb\text{’},$ where $a>0,$ is $5050$ $4466$ $5544$ $4864$
asked Sep 16, 2021 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 89 views
3 votes
1 answer
8
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 $6$ $5$ $7$ $4$
asked Sep 16, 2021 in Quantitative Aptitude soujanyareddy13 2.7k points 5 79 341 103 views
0 votes
1 answer
9
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 ? $24.8$ $26.5$ $27.6$ $29.4$
asked Apr 3, 2020 in Quantitative Aptitude Lakshman Patel RJIT 10.7k points 118 744 833 368 views
0 votes
1 answer
10
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
asked Mar 31, 2020 in Quantitative Aptitude Lakshman Patel RJIT 10.7k points 118 744 833 345 views
1 vote
1 answer
11
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? $4$ $3.5$ $4.5$ $5$
asked Mar 20, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 229 views
2 votes
1 answer
12
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? $27$ $28$ $26$ $25$
asked Mar 20, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 171 views
2 votes
1 answer
13
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 ________
asked Mar 20, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 248 views
1 vote
1 answer
14
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 $30$ $28$ $32$ $26$
asked Mar 16, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 199 views
1 vote
1 answer
15
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? $12$ $13$ $11$ $14$
asked Mar 13, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 160 views
1 vote
1 answer
16
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 $9.5$ $10$ $4.5$ $6$
asked Mar 13, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 145 views
0 votes
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17
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 ________
asked Mar 9, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 179 views
0 votes
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18
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 assignment the ... respectively. $13\:\text{and}\:19$ $13\:\text{and}\:20$ $14\:\text{and}\:19$ $14\:\text{and}\:20$
asked Mar 9, 2020 in Quantitative Aptitude Krithiga2101 262 points 6 53 68 341 views
1 vote
1 answer
19
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 $49$ $48$ $51$ $53$
asked Mar 8, 2020 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 295 views
0 votes
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20
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 $r_2$ = number of runs scored ... $\text{MBA}_2 \leq \text{BA} \leq \text{MBA}_1$ None of these
asked Mar 31, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 181 views
0 votes
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21
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 $\text{X}$ ... in classes $\text{Y}$ and $\text{Z}$ together is $81.$ What is the average for all three classes? $81$ $81.5$ $82$ $84.5$
asked Mar 31, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 164 views
0 votes
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22
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 college is to ... building, what should be the average donation from the remaining people to be solicited? Rs $300$ Rs $250$ Rs $400$ Rs $500$
asked Mar 31, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 151 views
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23
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
asked Mar 29, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 373 views
0 votes
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24
Consider a sequence of seven consecutive integers. The average of the first five integers is $n.$ The average of all the seven integers is $n$ $n+1$ $\text{K} \times n, \text {where K is a function of } n$ $n + \frac{2}{7}$
asked Mar 28, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 119 views
0 votes
0 answers
25
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 $b?$ $4$ $2$ $6$ $8$
asked Mar 1, 2016 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 169 views
1 vote
1 answer
26
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 $\text{X-Y}?$ $0$ $1$ $n/2$ $n+1/2n$ $2008$
asked Dec 7, 2015 in Quantitative Aptitude go_editor 13.3k points 306 2250 2467 426 views
2 votes
1 answer
27
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
asked Oct 31, 2015 in Quantitative Aptitude Tendua 188 points 2 2 8 3.2k views
1 vote
3 answers
28
In a class of 51 students, the difference between the highest mark and the least mark is 70. If the average score is calculated without considering the student who got the highest mark, then the average score decreases by 1%. If the average score is calculated without ... least mark, then the average score increases by 1.33%. What is the original average score of the class? 60 70 80 40
asked Aug 22, 2015 in Quantitative Aptitude makhdoom ghaya 7.9k points 234 899 1073 4.4k views
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