3^2
13. How many terms of G.P. 3, 3^2 , 3^3 , … are needed to give the sum 120?
27
Oct
13. How many terms of G.P. 3, 3^2 , 3^3 , … are needed to give the sum 120? … are needed to give the sum 120? 13. How many terms of G.P. 3 3^2 33 October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072?
24
Oct
Example10 Which term of the G.P., 2,8,32, … up to n terms is 131072? ... up to n terms is 131072? 2 3^2 8 Example10 Which term of the G.P. October 24, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
Write the following sets in the set-builder form (ii) {2,4,8,16,32}
13
Oct
Write the following sets in the set-builder form (ii) {2,4,8,16,32} 16 … 3^2 4 8 Write the following sets in the set-builder form (ii) {2 October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,
26. The surface areas of the six faces of a rectangular solid are 16, 16, 32, 32, 72 and 72 square centimetres. The volume of the solid, in cubic centimetres, is
10
Aug
26. The surface areas of the six faces of a rectangular solid are 16, 16, 32, 32, 72 and 72 square centimetres. The volume of the solid, in cubic centimetres, is 16 … 26. The surface areas of the six faces of a rectangular solid are 16 3^2 72 and 72 square centimetres. The volume [...]
95. The weights (in kg) of 30 students of a class are: 39, 38, 36, 38, 40, 42, 43, 44, 33, 33, 31, 45, 46, 38, 37, 31, 30, 39, 41, 41, 46, 36, 35, 34, 39, 43, 32, 37, 29, 26. Prepare a frequency distribution table using one class interval as (30 – 35), 35 not included.
12
Jul
95. The weights (in kg) of 30 students of a class are: 39, 38, 36, 38, 40, 42, 43, 44, 33, 33, 31, 45, 46, 38, 37, 31, 30, 39, 41, 41, 46, 36, 35, 34, 39, 43, 32, 37, 29, 26. Prepare a frequency distribution table using one class interval as (30 – 35), [...]
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 [...]
13. Ten observations 6, 14, 15, 17, x + 1, 2x – 13, 30, 32, 34, 43 are written in an ascending order. The median of the data is 24. Find the value of x.
03
Jul
13. Ten observations 6, 14, 15, 17, x + 1, 2x – 13, 30, 32, 34, 43 are written in an ascending order. The median of the data is 24. Find the value of x. 13. Ten observations 6 14 15 17 2x – 13 3^2 30 34 43 are written in an ascending order. [...]
Tags:
13. Ten observations 6 ,
14 ,
15 ,
17 ,
2x – 13 ,
3^2 ,
30 ,
34 ,
43 are written in an ascending order. The median of the data is 24. Find the value of x. ,
x + 1 ,
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is
03
Jul
2. The range of the data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 is -12 -22 10 11 15 16 … 17 18 19 2. The range of the data : 25 20 20 is 3^2 30 6 8 July 3, 2021 Category: Chapter 14 [...]
3. The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x+2, 72, 78, 84, 95
17
Oct
3. The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x. 29, 32, 48, 50, x, x+2, 72, 78, 84, 95 3^2 3. The following observations have been arranged in ascending order. If the median of the data is 63 48 50 7^2 [...]
The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 (i) Find the mode and median of this data. (ii) Is there more than one mode?
07
Oct
The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 (i) Find the mode and median of this data. (ii) Is there more than one mode? -45 3^2 35° 36 37 38 40 42 43 47 (i) Find the [...]