Recent questions tagged problem-solving-and-data-analysis
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John spends 2 hours on Tuesday, Thursday and Saturday practicing football. On Monday he practices for 90 minutes and on Friday for 1 hour. What is the median time he spends practicing football in a given week ?
problem-solving-and-data-analysis
asked Nov 15, 2019 by meena.clay6
There are 100 people on a line. Michael is the $35^{th}$ person and Ali is the $65^{th}$ person. If a person on line is chosen at random, what is the probability that the person is standing between Michael and Ali ?
If $3^4 = 9^x$, what is the value of $x$.
Alex and Mira starts from the same place walking at the rate of 5 miles/hr and 5.5 miles/hr respectively in the same direction. At what time will they be 8.5 miles apart ?
asked Nov 13, 2019 by priyanka.clay6
Salma read $\frac{7}{9}^{th}$ of a book in $I$ week and $\frac{5}{9}^{th}$ of the remaining in the $II$ week. If there were 96 pages unread after $II$ week. How many pages are these in the book ?
A car travelling with $\frac{2}{3}$ rd of its actual speed, covers 42 miles in 1 hr 30 min 10 sec. What is the actual speed of the car ?
In a certain marketing class, the final grades for each student is determined by deleting the lowest and highest test scores, then averaging the remaining test scores. Kathy took every test and achieved the following scores, 71 , 82, 86, 91, 98, 73 and 94. Which of the following is closest to Kathy's final grade in the marketing class ?
Mathew travelled a distance of 61 miles in 9 hours. He travelled partly on foot at 4 miles/hr and partly by bicycle at 9 miles/hr. What is the distance travelled on foot ?
no calculator
If $n$ is a positive integer such that $\frac{n !}{(n-2)!} = 342$, find $n.$
$\begin{align*} \frac{(x^a)^b}{x^cx^d} =x^y\end{align*}$. Then $y=?$
What is the $7^{th}$ term in the series given below ? <br> $-\frac{1}{2}, 1, -2,...?$
<br> Given above is a line segment, the ratio of $\overline{PQ}$ to the length of $\overline{QR}$ is $2:5$. If it be determined, what is the ratio of the length of $\overline{PQ}$ to the length $\overline{PR}$ ?
asked Nov 4, 2019 by priyanka.clay6
The table below shows shipping changes for an online retailer that sells grocery items. Then is a linear relationship between the shipping change and the weight of the merchandise which function can be used to determine the total shipping charge $f(x)$ in dollar,for an order with a merchandise weight of $x$ pounds ? <br>
Renting space at Brent's self storage costs $\$$ 10 per square feet. If Judy wants to rent a space at this storage, which has dimensions $a$ feet by $b$ feet, What will be the total cost in dollars, that he can expect to pay?
The number of terms tournaments won by Harry from the year 2000 to 2004 is shown in the figure given below . what was percentage increase from the year 2001 to 2002
asked May 28, 2019 by meena.clay6
The number of terms tournaments won by Harry from the year 2000 to 2004 is shown in the figure given below . What is the ratio of the tournament won in the year 2000 to that of the tournament won in the year 2002.
Price per share of Stocks A and B on January 1of 6 years. What was the average yearly increases in the value of a share of stock A from 2005 to 2010 ?
Price per share of Stocks A and B on January 1of 6 years. In what year was the percentage increase in the value of a share stock B the greatest?
Which of the following are greater than x where $x= \large\frac{5}{11} \\(i) \frac{1}{x} , (ii) \frac{x-1}{x},(iii)\frac{x-1}{x+1}$
In 1987, a factory produced $18,500$ screws . In 1988 the factory could only 15,000 screws . What is the percentage of decrease in production from 1987 ?
If the area of the shaded region is $K \pi$, what is the value of K
If $x^{-4}=\large\frac{1}{64x}$, which is one possible value of x?
no-calculator
Five people shared a prize of $\$150$. Each one received a Whole number of dollars and no two people received the same amount. If the largest share $\$40$ and smallest share was $\$20$ , What is the most money that the person with the third large share could have received .
If $a=5$ and $ b=-3$ What is the value of $\large\frac{2a+3b}{5b}$ ?
If x varies inversely with Z, and if y and z are both 20 When $x=4$ what is the value of y+x when $x=5$
$25\%$ of 800 is equal to $20\%$ of what number ?
asked May 9, 2019 by meena.clay6
There are 100 people in a line. Sandy is the 40th person and Enai is the 67th person. If person on line is chosen at random, what is the probability that the person is standing between Sandy and Enai ?
A pool can hold 30,000 gallons of water. If is $\frac{1}{4}^{th}$ full. A pump can deliver $'g'$ gallons of water every $m$ minute. If the pumping company charges $'d'$ dollars per minutes, how much will it cost in dollars to fill the pool ?
If the average of x,y and 12 is 80, What is the average of x and y
Time taken to paint a wall is increasing proposition to the number of painters working on it. If it takes 4 painters to 6 days to complete the job, how many days longer will it take if there are only 3 painters working ?
Solve the problem and enter your answer in the grid, as described below on the answer sheet. <br><br> If $2a = 3b$ and $5b = 3c$, what is the ratio of $a $ to $c$ ?
asked Apr 30, 2019 by priyanka.clay6
One pound of oranges cost $\$3$, how many dollars will $x$ pound of oranges cost.
If $(a^2)^{1/3} (a^5)^{1/3}=a^n$ then what is the value of n ?
asked Apr 29, 2019 by meena.clay6
A biology class at Troy high school predicated that the local population of animals double in every 10 years. The population at the beginning of 2012 was estimated to be 40 animals. If $P$ represents population $n$ years after 2012, then which of the following equation represents the classes model of the population over time ?
$25$ students attended an exam conducted an university . But only $32\%$ of them managed pass. How many students failed in the exam ?
In a chocolate factory 100 pounds of chocolate were being divided into packages each weighting 3.5 pounds . How many pounds of chocolate were left when there is not enough to make another whole package?
At 4.00 AM the temperature was $12^{\circ}$ below zero. By noon it raised to $30^{\circ}$. What was the average hourly increase in temperature ?
Which of the following is not the lowest term of $\frac{3}{4} \times \frac{8}{9} \times \frac{25}{40}$
The ratio of no. of math tests Joddy passed to the no. he failed is $7:3$. What percent of his math test did he pass ?
If 600 pounds of mash can feed 25 pigs for a week. For how many days will 200 pounds of mash feed 21 pigs.
What is the average of $2^{15}$ and $2^{25}$ ?
On wednesday 20 of the 25 students in a Math class took a test, and this average was 85. On Thursday the other 5 students took the test and this average (arithmetic mean) was 90. What was the average of the entire class ?
Which of the following accurately rewrite the expression $\begin{align*}\frac{7.3^{2t-1}}{8.2^{t+1}} \end{align*}$ in the form $A.B^t$?
Mark drove to his office at 60 miles per hour. Returning over the same route, to his home, he encountered heavy traffic and was able to drive at only 40 miles per hour. If the return trip took 1 hour longer, how many miles did he drive each way ?
An integer between 10 and 99 is chosen at random. What is the probability that all the digits are even ?
Two lines x and y are parallel to each other . $\angle 1=15^{\circ}$ and $\angle 3=250^{\circ}$ what is the value of $\angle 2$?
asked Apr 9, 2019 by meena.clay6
Use the given values to calculate the error. Subtract the theoritical value from the actual value, divide by the theoritical value, and multiply by 100 (to get the percentage error). <br> Find the percentage error of meaning the radius of a string using screw guage, whose actual value is given by $0.25\;cm$, but the theoritical value was found to be $0.19\;cm$.
asked Apr 7, 2019 by priyanka.clay6
The mode and mean are $26.6 $ and $ 28.1$ respectively in a distribution, then its median is _______