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

There are 6000 employees in a company. One of them is selected at random to win a bike. If the probability that an officer will be selected is $\large\frac{4}{15}$, how many officers are working in that company ?

asked Jan 3, 2019 by meena.clay6

1 answer

Let $x$ be the sum of the first 30 consecutive positive even integer and $y$ be the sum of the first 30 consecutive positive integer . What is x in term of $y$ ?$x=2+4+6+....60,y=1+2+3+.....+30$

asked Jan 3, 2019 by meena.clay6

1 answer

How many different sums can be made by adding any two different numbers in the list given below $\{1,2,4,8,16,32,33\}$?

asked Jan 3, 2019 by meena.clay6

1 answer

The average , median and mode are calculated for the list $(3,3,7,10,12)$. If 1 is added to the list which of the following would change? <br> I) The average <br> II) The median<br>III) The mode

asked Jan 3, 2019 by meena.clay6

1 answer

In the list of numbers $7,x,10,12,2,8,13$ the median is 10 . Which of the following could not be the value of x?

asked Dec 31, 2018 by meena.clay6

1 answer

The average of x,y and z is 5. if $x+y=30$ then z is equals

asked Dec 17, 2018 by meena.clay6

1 answer

Dave has a jar full of coins . He has 25 quarters , 15 times , 20 nickels and 55 permies. If he order them all from least to most valuable, what is value of the median ?

asked Dec 17, 2018 by meena.clay6

1 answer

The median of the set of numbers $(5,20,52,55,100,25,22)$ is

asked Dec 17, 2018 by meena.clay6

1 answer

In the following set of numbers, by how much does the arithmetic mode exceed the mean $\{3,3,7,9,9,7,5,7,9,7,3\}$

asked Dec 17, 2018 by meena.clay6

1 answer

The Minnesota area has the following weather in $^{\circ}F$ . What is the difference between the high temperature average and the low temperature average over the three days ?

asked Dec 17, 2018 by meena.clay6

1 answer

Emy travelled 120 miles on day 1, 115 miles on day 2 and 113 miles on day 3. How many miles per day did she travel on an average ?

asked Dec 17, 2018 by meena.clay6

1 answer

The average of 4 consecutive even numbers is 40. What is the value of the least of the 4 numbers ?

asked Dec 14, 2018 by meena.clay6

1 answer

In a certain class there are 15 girls and 20 boys. If the average height of the girls is $x$ and average height of boy is $y$, what is the average height of all the boys and girls in the class ?

asked Dec 13, 2018 by meena.clay6

1 answer

Mike takes 25 minutes to run around the track. He takes a second loop and it takes him 30 minutes. If the track is 10 miles long , what is his average speed in miles per hour ?

asked Dec 13, 2018 by meena.clay6

1 answer

The average of $x,y$ and $z$ is 9. If $x+y=20$ then $z$ is equals

asked Dec 13, 2018 by meena.clay6

1 answer

Find the next term of given sequence .. $16, 18, 21, 26, 33, 44, 57, ....$

asked Jul 19, 2016 by meena.p

1 answer

If the mean of the following distribution is $2.6$ , then the value of k is

asked Nov 10, 2014 by meena.p

1 answer

The mode and mean are $26.6 $ and $ 28.1$ respectively in a distribution then its median is _______

asked Nov 10, 2014 by meena.p

1 answer

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