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# Ask a Mathematics(Class IX-X Tuition) Question

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J

Joy 5 days ago in  Mathematics(Class IX-X Tuition)

Swapnil replied | 10 hrs ago

No, zero isn't a prime number. For a number to be a prime number, the number must be divisible by 1 and by itself only. Division by zero gives infinity and this is not allowed.

Urmila replied | 9 hrs ago

No, we can't consider 0 as a prime number.

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Akanksha 26 Feb in  Mathematics(Class IX-X Tuition)

Shiv Shankar replied | 18 Apr

Which is not available on real number line and Indeterminate is a symbol that represents a numerical quantity whose magnitude cannot be determined.

Pramit replied | 6 days ago

The indeterminate form is an expression belongs to Calculus from which the limit can not be determined.Some well known indeterminate forms are 0/0, infinity/infinity etc. We generally use L'Hospital rule to calculate limits in these cases.

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S

Sarvesh 02 Feb in  Mathematics(Class IX-X Tuition)

Shiv Shankar replied | 18 Apr

R.D. Sharma good for practice otherwise you can use NCERT.

Md replied | 19 Apr

NCERT text book is sufficient for 10th board. NCERT questions covers all concept really well. One may practice from previous 5 year question papers of both SA-1 and SA-2. Every region prepares its own SA-1 paper which one might avail from his/her school library easily.

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K

Kudo 22 Jan in  Mathematics(Class IX-X Tuition)

Soma replied | 05 Apr

The mathematical formula is
(Hypotenuse)^2=(base)^2+(height)^2

Pramit replied | 6 days ago

The square of the length of the hypotenuse is equal to the sum of the square of the lengths of base and height of a Right angle triangle.

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K

Kudo 22 Jan in  Mathematics(Class IX-X Tuition)

Vivek Kumar Verma replied | 20 Feb

Dr. Basant replied | 23 Mar

Dear Kudo,
Coordinate Geometry is nothing but naming a point based on his position from the axis. This branch of mathematics finds a large application in computer graphics. There is no other effective way in Computer Science (not that I can think of) to generate mathematical figures. It is used in astrophysics (say calculation of distance between two celestial bodies), geography,...  more»
Dear Kudo,
Coordinate Geometry is nothing but naming a point based on his position from the axis. This branch of mathematics finds a large application in computer graphics. There is no other effective way in Computer Science (not that I can think of) to generate mathematical figures. It is used in astrophysics (say calculation of distance between two celestial bodies), geography, architecture (how would you accurately represent relative distance between and sizes of multiple objects unless you have a frame of reference).
One of the Most basic and common example of Coordinate Geometry which we use in our daily routine life is "Google Maps".
When we instruct google maps to tell us the path from one place to another, it basically:
1.Finds the shortest possible path (or paths).
2.Tells us the distance and time.
3.There are Lots and lots of coordinate geometry is used in finding the shortest path and the distance between them. Obviously, there are other concepts (OR) principles involved too.
4.Once we have the distance, an approximate time to travel is calculated based on the traffic.

Yours Friendly
Dr. Basant Ramawat «less

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Gopika 23/12/2016 in  Mathematics(Class IX-X Tuition)

N

Nazneen replied | 15 Mar

In a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of other two sides of the same triangle.

D

Deepika replied | 1 day ago

In mathematics, the Pythagorean theorem, also known as Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

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S

Sitaram 14/11/2016 in  Mathematics(Class IX-X Tuition)

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Neera replied | 12 Jan

The most common measures of central tendency are the arithmetic mean, the median and the mode.

N

Nareshreddy M replied | 03 Feb

Mean, Median And Mode.

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Himangi 14/11/2016 in  Mathematics(Class IX-X Tuition)

Rama Krishna replied | 09/12/2016

Harmonic Mean is the reciprocal of the arithmetic mean of the reciprocals. In other words, it is the number of observations, divided by the sum of reciprocals of the observations.

Abhishek replied | 10/12/2016

Harmonic mean = n/{(1/a1)+(1/a2)+(1/a3)...................+1/an}.

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A

Akhil 14/11/2016 in  Mathematics(Class IX-X Tuition)

Rama Krishna replied | 09/12/2016

Mode:
A statistical term that refers to the most frequently occurring number found in a set of numbers. The mode is found by collecting and organising the data in order to count the frequency of each result. The result with the highest occurrences is the mode of the set.

Eg: 3, 3, 6, 9, 16, 16, 16, 27, 27, 37, 48 -------------------Mode is 16

3, 3, 3, 9, 16,...  more»
Mode:
A statistical term that refers to the most frequently occurring number found in a set of numbers. The mode is found by collecting and organising the data in order to count the frequency of each result. The result with the highest occurrences is the mode of the set.

Eg: 3, 3, 6, 9, 16, 16, 16, 27, 27, 37, 48 -------------------Mode is 16

3, 3, 3, 9, 16, 16, 16, 27, 37, 48-------------------------Mode is 3 and 16 «less

Abhishek replied | 10/12/2016

The mode is the value that appears most often in a set of data.

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M

Munawar 14/11/2016 in  Mathematics(Class IX-X Tuition)

Rama Krishna replied | 09/12/2016

Definition Of Frequency:
The number of occurrences of a particular item in a set of data is called Frequency.

Abhishek replied | 10/12/2016

It is number of times a data has occurred in a set of data is called frequency.

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B

Brunda 14/11/2016 in  Mathematics(Class IX-X Tuition)

M

Md replied | 16/12/2016

Square root of x & y.

Gourav replied | 27/12/2016

GM=nth root(product of n numbers)
ex:-
Find GM of 2,18?
sol: number of terms: 2 i.e, 2,18.
therefore GM=square root of (2 x 18)
GM=sqrt (36).
Hence, GM=6.

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R

Rishu 14/11/2016 in  Mathematics(Class IX-X Tuition)

Karuna replied | 24/11/2016

The middle most value in a set of data arranged in ascending order is known as median.

Rajendran replied | 25/11/2016

Denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it.

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M

Mukesh 14/11/2016 in  Mathematics(Class IX-X Tuition)

Chilla Rajesh replied | 08/12/2016

The size or range of the class is called class interval.

Ankit replied | 08/12/2016

Class limits are the smallest and largest observations (data, events etc) in each class. Therefore, each class has two limits: a lower and upper.
Class interval is the difference between the upper and lower class boundaries of any class.

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Ramya 14/11/2016 in  Mathematics(Class IX-X Tuition)

Chilla Rajesh replied | 11/12/2016

Geometric mean will use if the data terms in fractions and harmonic mean will use for extreme value of given data.

Hyder replied | 14/12/2016

Choosing the correct mean is essential to correctly estimating the central tendency of a population or calculating investment returns. Tags: Average, Economics, geometric mean, harmonic mean, mean. 30 Comments to â€œDifferences between Arithmetic, Geometric, and Harmonic Means.

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Nilesh 14/11/2016 in  Mathematics(Class IX-X Tuition)

Abhishek replied | 10/12/2016

Branch of mathematics which deals with collection, representation, analysis and interpretation of data.

Ravi replied | 14/12/2016

Statistics is the study of the collection, analysis, interpretation, presentation and organization of data.

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P

Parini 14/11/2016 in  Mathematics(Class IX-X Tuition)

Anjali replied | 12/12/2016

Mean, median, mode.

Rahul replied | 13/12/2016

Mean, mode, median, frequency, class interval, class size,
step deviation mean method, continuous distribution, discrete distribution, etc.

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R

Raindial 14/11/2016 in  Mathematics(Class IX-X Tuition)

S

Saloni replied | 14/12/2016

Primary data refers to a that which we take directly from the source and secondary data is obtained from a primary data.

A

Aasiya replied | 14/12/2016

Primary data is the data which you make by urself.and secondary data is the data which is made by others and you are using it.

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R

Raj 14/11/2016 in  Mathematics(Class IX-X Tuition)

Mayank replied | 28/11/2016

Arithmetic Mean = Sum of total observations/ No of observations.

Abhishek replied | 10/12/2016

A.M. = Sum of total observations/ No of observations.

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P

Prasenjit 12/11/2016 in  Mathematics(Class IX-X Tuition),

Ranganath replied | 30/12/2016

Not possible because, sum of all 3 angles together, should be 180 degrees.
Here, sum of the the given 2 angles is > 180 degrees.

Parshva replied | 01 Jan

To form a triangle the sum of interior angles of a triangle is equal to 180 but as the scenario here is the sum of only given two triangles is 185 degree then definitely it is not possible to build a triangle with given angles.

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Parini 14/11/2016 in  Mathematics(Class IX-X Tuition)

S

Sachin replied | 10/12/2016

In simple words, discrete frequency occurs at discrete interval(e.g. at 1 sec, 2 sec, 3 sec etc.). But continuous frequency occurs at every point in continuous manner without leaving gaps (e.g. every moment b/w 1 to 2 secs).

Prabhneet replied | 11/12/2016

The harmonic mean is a better "average" when the numbers are defined in relation to some unit. The common example is averaging speed. The GM is for situations we want the average used in a multiplicative situation, such as the "average" dimension of a box that would have the same volume as length x width x height. For example, suppose a box has dimensions 50 x 80 x 100 cm.

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S

Subhash 14/11/2016 in  Mathematics(Class IX-X Tuition)

Hyder replied | 14/12/2016

A cumulative frequency graph is a visual representation of ranked categorical data. An example is grouping people by height categories: under five feet, five feet to six feet, and above six feet. The number of people in each category is the frequency.

Rajendran replied | 16/12/2016

A cumulative frequency graph is a visual representation of ranked categorical data.

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A

Ambar 14/11/2016 in  Mathematics(Class IX-X Tuition)

Gayatri replied | 30/11/2016

Just for difference - Arithmetic mean of two positive numbers can not be less than geometric mean.

Rajendran replied | 02/12/2016

An arithmetic sequence is a sequence of numbers with the difference between two consecutive terms constant. The difference is called the common difference. A geometric sequence is a sequence with the ratio between two consecutive terms constant. This ratio is called the common ratio.

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Vivek 14/11/2016 in  Mathematics(Class IX-X Tuition)

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Anshu replied | 02/12/2016

In chart having a gap is bar chart, no gap Histogram.

Kailash replied | 02/12/2016

Bar graph is simple representation of data on graph but in histogram there is continues data representation in which both class interval and frequencies are given but in bar graph mostly frequencies are given.

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A

Ambar 14/11/2016 in  Mathematics(Class IX-X Tuition)

Ramesh replied | 01/12/2016

A pie chart is circuler graphical chart divided into sectors each sector shows the relative size of each value.
Frequency polygons are graphical devices for understanding the shapes of distribution.

Rajendran replied | 02/12/2016

A pie chart (or a circle chart) is a circular statistical graphic, which is divided into slices to illustrate numerical proportion.
Frequency polygons are a graphical device for understanding the shapes of distributions. In a Frequency Polygon, a line graph is drawn by joining all the midpoints of the top of the bars of a histogram.

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Divya 14/11/2016 in  Mathematics(Class IX-X Tuition)

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Naveen replied | 12/12/2016

Summation of the product (fx)/summation of frequency.

C N replied | 14/12/2016

Arithmatic Mean See the picture.

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