23
Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25.
09
Jul
Example 2 : The following data : 2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25 is grouped in the classes 0 –5, 5 –10, 10 –15 etc. Find the frequency of the class 20 –25. -12 10 –15 etc. Find [...]
Find a, b and c such that the following numbers are in AP: a, 7, b, 23, c.
23
Nov
Find a, b and c such that the following numbers are in AP: a, 7, b, 23, c. 23 7) B b and c such that the following numbers are in AP: a C Find a November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Which of the following form an AP? Justify your answer. (vi) 2,2^2, 2^3, 2^4, … (vii) 3–√,12−−√,27−−√,48−−√,…
23
Nov
Which of the following form an AP? Justify your answer. (vi) 2,2^2, 2^3, 2^4, … (vii) 3–√,12−−√,27−−√,48−−√,… -22 ... … (vii) 3–√ 12−−√ 23 24 27−−√ 48−−√ Which of the following form an AP? Justify your answer. (vi) 2 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
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-22 ,
... ,
… (vii) 3–√ ,
12−−√ ,
23 ,
24 ,
27−−√ ,
48−−√ ,
Which of the following form an AP? Justify your answer. (vi) 2 ,
4. Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.
17
Oct
4. Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18. -22 14 17 18 23 25 28 4. Find the mode of 14 October 17, 2020 Category: Chapter 14 - Statistics , Maths , NCERT Class 9 ,
7.Identify like terms in the following: (b)10pq, 7p, 8q,–p^2q^2, –7qp, –100q, 23,12q^2p^2, –5p^2, 41, 2405p, 78qp,13p^2q, qp^2, 701p^2
09
Oct
7.Identify like terms in the following: (b)10pq, 7p, 8q,–p^2q^2, –7qp, –100q, 23,12q^2p^2, –5p^2, 41, 2405p, 78qp,13p^2q, qp^2, 701p^2 –100q –5p^2 –7qp –p^2q^2 12q^2p^2 13p^2q 23 2405p 41 7.Identify like terms in the following: (b)10pq 701p^2 78qp 7p 8q qp^2 October 9, 2020 Category: Chapter 12 - Algebraic Expressions , Maths , NCERT Class 7 ,
The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same?
07
Oct
The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same? -12 10 15 16 … 20 20 Find the mode and median of this data. [...]
Check whether 301 is a term of the list of numbers 5,11,17,23….
04
Oct
Check whether 301 is a term of the list of numbers 5,11,17,23…. 11 17 23 Check whether 301 is a term of the list of numbers 5 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Find the LCM and HCF of the following integers by applying the prime factorisation method. 17, 23, 29
03
Oct
Find the LCM and HCF of the following integers by applying the prime factorisation method. 17, 23, 29 23 29 Find the LCM and HCF of the following integers by applying the prime factorisation method. 17 October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 1.1 , Maths , NCERT Class 10 ,