14
3. If the origin is the centroid of the triangle PQR with vertices P (2a, 2, 6), Q (– 4, 3b, –10) and R(8, 14, 2c), then find the values of a, b and c.
30
Oct
3. If the origin is the centroid of the triangle PQR with vertices P (2a, 2, 6), Q (– 4, 3b, –10) and R(8, 14, 2c), then find the values of a, b and c. –10) and R(8 14 2 2C 3. If the origin is the centroid of the triangle PQR with vertices P [...]
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–10) and R(8 ,
14 ,
2 ,
2C ,
3. If the origin is the centroid of the triangle PQR with vertices P (2a ,
3b ,
6 ,
b and c`. ,
Q (– 4 ,
then Find the values of a ,
1. Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (ii) {(2, 1), (4, 2), (6, 3), (8, 4), (10, 5), (12, 6), (14, 7)}
22
Oct
1. Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (ii) {(2, 1), (4, 2), (6, 3), (8, 4), (10, 5), (12, 6), (14, 7)} -12 1 1. Which of the following relations are functions? Give reasons. If it is a function 10 14 2 [...]
If A = {3, 6, 9, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16}, D = {5, 10, 15, 20}; find
13
Oct
If A = {3, 6, 9, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16}, D = {5, 10, 15, 20}; find -12 10 14 15 16 … 18 20 20}; find 21 4 6 8 9 b = 4 c = 2 [...]
From the sets given below, select equal sets: A = {2, 4, 8, 12}, B = {1, 2, 3, 4}, C = {4, 8, 12, 14}, D = {3, 1, 4, 2},
13
Oct
From the sets given below, select equal sets: A = {2, 4, 8, 12}, B = {1, 2, 3, 4}, C = {4, 8, 12, 14}, D = {3, 1, 4, 2}, -12 1 14 2 3% 4 8 B(-1 C = {4 d = 3 From the sets given below select equal sets: A [...]
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4 –8 (excluding 8 and including 4).
12
Jul
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20. Prepare a frequency distribution table for [...]
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-12 ,
10 ,
11 ,
13 ,
14 ,
15 ,
16 … ,
17 ,
18 ,
19 ,
20 ,
20. Prepare a frequency distribution table for the above data using class intervals of equal width in which one class interval is 4 –8 (excluding 8 and including 4). ,
7) ,
8 ,
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14 ,
14. The points scored by a basket ball team in a series of matches are as follows: 17, 2, 7, 27, 25, 5, 14, 18, 10, 24, 48, 10, 8, 7, 10, 28 Find the median and mode for the data.
03
Jul
14. The points scored by a basket ball team in a series of matches are as follows: 17, 2, 7, 27, 25, 5, 14, 18, 10, 24, 48, 10, 8, 7, 10, 28 Find the median and mode for the data. 10 14 14. The points scored by a basket ball team in a series [...]
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10 ,
14 ,
14. The points scored by a basket ball team in a series of matches are as follows: 17 ,
18 ,
2 ,
24 ,
25 ,
27 ........ ,
28 Find the median and mode for the data. ,
48 ,
5 ,
7) ,
8 ,
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. [...]
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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 ,
A child says that the median of 3,14,18,20,5 is 18. What doesn’t the child understand about finding the median?
03
Jul
A child says that the median of 3,14,18,20,5 is 18. What doesn’t the child understand about finding the median? 14 18 20 5 is 18. What doesn't the child understand about finding the median? A child says that the median of 3 July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability [...]
24. Mode of the data 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15 is
03
Jul
24. Mode of the data 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15 is 14 15 15 is 16 … 17 18 19 20 24. Mode of the data 15 July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class [...]
Find the 10th term of the A.P. 5,8,11,14,…. is
23
Nov
Find the 10th term of the A.P. 5,8,11,14,…. is 11 14 8 Find the 10th term of the A.P. 5 is November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,