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S

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

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A

Ajay replied | 2 days ago

Go with NCERT for all subject and Monica Sharma for Maths.

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Ashish replied | 2 days ago

Maths - R.D. Sharma
Science - S. Chand, Lakhmir singh and manjit kaur. Even NCERT is sufficient to score full marks.
Social studies - I don't think you really need a reference book. NCERT is best. Still get a book from Evergreen publishers.
Hindi - Golden guide
To score highest marks , please don't leave your NCERT questions (especially activities and examples) and...  more»
Maths - R.D. Sharma
Science - S. Chand, Lakhmir singh and manjit kaur. Even NCERT is sufficient to score full marks.
Social studies - I don't think you really need a reference book. NCERT is best. Still get a book from Evergreen publishers.
Hindi - Golden guide
To score highest marks , please don't leave your NCERT questions (especially activities and examples) and concepts. To score good marks in pre board and SA1 , you must jump to reference books too. «less

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

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B

Bunny replied | 2 days ago

Mathematically speaking; square of a hypotenuse of any triangle equals to the sum of its base square and perpendicular square.

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Ashish replied | 2 days ago

It's for right angle triangle only: h^2=b^2+p^2.

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

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B

Bunny replied | 2 days ago

Basically it is used for measurement like in architect and construction like how and where to build a large and complex concept on a small space or a paper.

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Rahul replied | 2 days ago

Coordinate geometry is mathematical model of the analysis of anythings that have space. It's concept are useful in every field of technology whether it is for software or hardware side. Even of analysis of different signals, concepts of coordinate geometry plays crucial role. In short, it is very useful if you want to analysis something.

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

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Pradeep replied | 21 Jan

It states that in any right angled triangle the square of the hypotenuse (longest side ) is equal to sum of the squares of other two sides.

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Ramarao replied | 22 Jan

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

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S

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

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N

Neera replied | 12 Jan

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

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N

Nareshreddy M replied | 03 Feb

Mean, Median And Mode.

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

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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.

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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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

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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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.

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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M

Md replied | 16/12/2016

Square root of x & y.

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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Karuna replied | 24/11/2016

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

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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Chilla Rajesh replied | 08/12/2016

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

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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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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.

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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 “Differences between Arithmetic, Geometric, and Harmonic Means.

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P

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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.

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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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N

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

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Abhishek replied | 10/12/2016

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

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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Anjali replied | 12/12/2016

Mean, median, mode.

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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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.

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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

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Mayank replied | 28/11/2016

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

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Abhishek replied | 10/12/2016

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

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K

K 13/11/2016 in  Class IX-X Tuition, Mathematics(Class IX-X Tuition), Reflection

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Abhishek replied | 10/12/2016

2nd.

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Ranganath replied | 30/12/2016

Its the 2nd quadrant (IInd).

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P

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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).

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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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.

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Rajendran replied | 16/12/2016

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

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A

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Gayatri replied | 30/11/2016

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

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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A

Anshu replied | 02/12/2016

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

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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  Class IX-X Tuition, Mathematics(Class IX-X Tuition)

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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.

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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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D

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Naveen replied | 12/12/2016

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

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C N replied | 14/12/2016

Arithmatic Mean See the picture.

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A

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

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A

Anshu replied | 02/12/2016

x1+x2+.........+xn/n.

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Mohit replied | 14/12/2016

a+ h* (Fi*Ui/N)

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