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Recent questions tagged problem-solving-and-data-analysis

Find the next term of given sequence .. $16, 17, 21, 30, 46, ....$

asked Dec 11, 2019 by priyanka.clay6

1 answer

If $a=0.999,$ which of the following is less than $a$?

asked Dec 10, 2019 by priyanka.clay6

1 answer

For any positive integer $n,\;n!$ mean the product of all, integer from $1 $ to $n$. What is the value of $\large\frac{1}{5!} + \frac{1}{4!}$

asked Dec 10, 2019 by priyanka.clay6

1 answer

If $130\% $ of $a$ is equal to $70\%$ of $b$, which of the following is equal to $a-b$?

asked Dec 10, 2019 by priyanka.clay6

1 answer

A field is surveyed and found to have 240 wild flowers in a variety of colors : red, yellow, violet and white. There are 60 yellow flowers. One third of the rest of the flowers are white, $40\%$ are red and the rest is violet. What is the percentage of yellow flowers ?

asked Dec 10, 2019 by priyanka.clay6

1 answer

A field is surveyed and found to have 240 wild flower in a variety of colors : red, yellow, violet and white. There are 60 yellow flowers. One third of the flower rest of the flowers are white, $40\%$ are red and the rest is violet. A flower is picked at random. What is the chance that it is a violet flower.

asked Dec 10, 2019 by priyanka.clay6

0 answers

A field is surveyed and found to have 240 wild flowers in a variety of colors : red, yellow, violet and white. There are 60 yellow flowers. One third of the rest of the flowers are white and $40\%$ are red and the rest violet. Which color of flowers are most abundant ?

asked Dec 10, 2019 by priyanka.clay6

1 answer

A group of students are tracking a friend Smith who is riding a Ferris wheel. They know that Smith reaches a maximum height of 11 m at 10s and reaches a minimum height of 1m at 55s. Which of the following graph represents this ?

asked Dec 7, 2019 by priyanka.clay6

1 answer

In a cricket match, a batsman hits a boundary 12 times out of 48 balls he plays. Find the probability that he does not hit a boundary in the next ball ?

asked Dec 7, 2019 by priyanka.clay6

1 answer

The city of Farmington has a population of 4000, requires 150 litres of water per head per day. It has a tank measuring $20 m \times 15 m \times 6 m$. For how many days will the water in this tank last ?

asked Dec 7, 2019 by priyanka.clay6

1 answer

The ratio of the surface area to the volume of micro organisms affect their ability to survive. An organism with a higher surface area to volume ratio is more buoyant and uses less of its own energy to remain near the surface of a liquid, where food is more in plenty. Mike is calculating surface area to volume ratio of different sized cells, assuming then to be spherical. What can be their ratio ?

asked Dec 6, 2019 by priyanka.clay6

1 answer

Ryan can husk at least 14 dozen ears of corn per hour and at most 21 dozen ears of corn per hour. Based on this information, what is a possible amount of time, in hours, he can take to husk 84 ears of corn ?

asked Dec 6, 2019 by priyanka.clay6

1 answer

In a cornfield the heap of corns powed are in the form of a cone. Each heap has a diameter of 9 m and height 3.5 m. How much canvas cloth would be required to cover 5 such heaps ?

asked Dec 6, 2019 by priyanka.clay6

1 answer

The mean of six numbers. $x-5,\; x-1,\;x,\; x+2,\; x+4$ and $x+12$ is $15.$ Find the mean of first 4 numbers.

asked Dec 6, 2019 by priyanka.clay6

1 answer

At a fish hatchery, fish hatch at different times even though the eggs fertilized at the same time. The number of fish that hatched on each of the first four days after fertilization was $3, 12, 48$ and $192$ respectively . If the pattern continues, calculate the total number of fish hatched during the first 10 days.

asked Dec 5, 2019 by priyanka.clay6

1 answer

In the 1908 Olympic games, the Olympic Marathon was lengthened from 40 km to approximately 42 km. Of the following which is the closer to the increase in the distance of the Olympic Marathon in miles ? (1 mile is approximately 1.6 km)

asked Dec 5, 2019 by priyanka.clay6

1 answer

The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below.What is the total number of vehicles passing through the minimum traffic hour and maximum traffic hours ?

asked Dec 4, 2019 by priyanka.clay6

1 answer

The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below. What is the total number of vehicles passing through a crossing during a particular day ?

asked Dec 4, 2019 by priyanka.clay6

1 answer

The graph below shows the number of vehicles passing through a road crossing in Long Lake Road, in the city of Troy, Michigan, in different time intervals on a particular day. Read the bar graph and answer the questions given below.When is the hourly traffic maximum? Also give the maximum number of vehicles ?

asked Dec 4, 2019 by priyanka.clay6

0 answers

Express in rational form $\large\frac{81^{-0.25}}{\sqrt[3]{-125}}$

asked Dec 4, 2019 by priyanka.clay6

1 answer

The probability that Rhoda will hit a target is $\frac{4}{5}.$ The probability that Jack will hit the same target is $\frac{3}{4}$. If each of them fires once, find the probability that the target will be hit by only one of them is

asked Dec 4, 2019 by priyanka.clay6

1 answer

The $10^{th}$ and $100^{th}$ term of the sequence $n^2+3$ are

asked Dec 4, 2019 by priyanka.clay6

1 answer

At a recent college registration, 100 students were interviewed. 80 students registered for Mathematics course, 14 for history course and 5 for both. What is the probability that the student has registered only for history ?

asked Dec 4, 2019 by priyanka.clay6

1 answer

Simplify : $ \large\frac{\sqrt{x^6(y^3)^{-2}}}{(x^3y)^{-2}}$

asked Dec 4, 2019 by priyanka.clay6

1 answer

Which of the following is equal to $3^{4/3}$.

asked Dec 3, 2019 by priyanka.clay6

1 answer

The total surface of a cone, whose radius is $\dfrac{r}{2}$ and slant height $2l$ is

asked Dec 3, 2019 by priyanka.clay6

1 answer

$\qquad \qquad h = 2a+20.5 $ <br>A Pediatrician uses the model above to estimate the height $h$ of a boy, in inches, in terms of the boy's age 'a' in years, between the ages of 5 and 10. Based on the model, what is the estimated increase in inches of a boy's height each year ?

asked Dec 3, 2019 by priyanka.clay6

1 answer

The rational form of $\large\frac{\sqrt[-3]{512}}{\sqrt[5]{-1024}}$

asked Dec 3, 2019 by priyanka.clay6

1 answer

Divide and simplify : $\large\frac{12\sqrt{75}}{4\sqrt{108}}$

asked Dec 2, 2019 by priyanka.clay6

1 answer

In a store, a dress was tagged at $\$40$. When it did not sell, it was discounted $25\%$ at all once. What is the final selling price ?

asked Dec 2, 2019 by priyanka.clay6

1 answer

Which of the following is the greatest : <br> $\qquad \frac{5}{8},\; 62\%, \% 0.628 ?\qquad$

asked Dec 2, 2019 by priyanka.clay6

1 answer

What is the value of $'b'$, so that the sequence $2b-1, \;b+2,\;2b+1$ forms an arithmetic progression ?

asked Dec 2, 2019 by priyanka.clay6

1 answer

Solve for $r : \;27^{6-r}=9^{r-1}$

asked Dec 2, 2019 by priyanka.clay6

1 answer

The probability that Juan does his math home work tonight is $\large\frac{2}{5} $ and Nicole does her homework is $\large\frac{9}{10}$ and that Amy does her homework is $\large\frac{7}{9}$ <br><br> QUESTION : What is the probability that at least one of them does the homework ?

asked Dec 2, 2019 by priyanka.clay6

1 answer

The probability that Juan does his math home work tonight is $\large\frac{2}{5} $ and Nicole does her homework is $\large\frac{9}{10}$ and that Amy does her homework is $\large\frac{7}{9}$ What is the probability that none of them do their homework ?

asked Dec 1, 2019 by priyanka.clay6

1 answer

Simplify $\large\frac{x^{-3}}{2y^3}(\large\frac{1}{xy})^{-3}$

asked Dec 1, 2019 by priyanka.clay6

1 answer

The volume of a sphere whose surface area equals its volume is

asked Dec 1, 2019 by priyanka.clay6

1 answer

A gum ball machine contains 40 blue gum balls, 25 red gum balls, 18 green gum balls and 30 purple gum balls. What is the probability that you get a red gum ball ?

asked Dec 1, 2019 by priyanka.clay6

1 answer

Jack buys several articles for $'n'$ costs per dozen and his selling price is $\large\frac{n}{9}$ cent per article. What is the profit in cents on each article ?

asked Dec 1, 2019 by priyanka.clay6

1 answer

The bar graph below shows the preferred breakfast for 40 students belonging to class $IX$. The number of students who prefer pancakes as a percentage of the total number of students is

asked Dec 1, 2019 by priyanka.clay6

1 answer

The value of $\large(\frac{729}{512})^{-2/3}$

asked Nov 28, 2019 by priyanka.clay6

1 answer

Ryan has a bag containing 12 marbles. 4 are red, 4 are blue and 4 are yellow. What is the probability of Ryan drawing out of the bag first a blue marble and then a yellow, if he doesn't replace the first marble he drew ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

A scientist is doing a study to determine the typical levels of carbon monoxide in the air of automotive garages. She measures the air quality at 8 different garages and gets the following result : 13 ppm, 26 ppm, 4 ppm, 36 ppm, 12 ppm, 19 ppm, 5 ppm, and 9 ppm. What is the mean of her data set ?

asked Nov 28, 2019 by priyanka.clay6

1 answer

Volume $'V'$ of a sphere whose radius is $r$ is given by $V = \frac{4}{3} \pi r^3$. Then the radius of the sphere in terms of $V$ will be

asked Nov 27, 2019 by priyanka.clay6

1 answer

A chef wants to wrap a string around a giant wheel of cheese to support a paper label. The wheel of cheese has a diameter of 30 inches. How much string is needed to go around the wheel of cheese exactly once ?

asked Nov 27, 2019 by priyanka.clay6

1 answer

The next term of the given sequence $17, 18, 22, 31, 47, ....$ is

asked Nov 27, 2019 by priyanka.clay6

1 answer

Which among the following statements is not true?

asked Nov 26, 2019 by priyanka.clay6

1 answer

The table below shows the ages (in years) of 360 patients, getting treatment in a hospital. One of the patient is selected at random. The probability that his age is 10 years or more is

asked Nov 26, 2019 by priyanka.clay6

1 answer

Sherin has a laser printer which can print $x$ pages per minute, how many minutes in terms of $x$, would it take for the printer to print $100$ pages document ?

asked Nov 26, 2019 by priyanka.clay6

1 answer

If $9^{3x+2}=81,$ then the value of $x$ is

asked Nov 26, 2019 by priyanka.clay6

1 answer

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