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If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find
13
Oct
If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find 11 13 15} and D = {15 17}; find 5 7) 9 B (7 C = {11 If A = {3 October 13, 2021 Category: Chapter 1 - Sets , [...]
11. The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is
12
Jul
11. The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is 11 11. The sum of successive odd numbers 1 13 and 15 is 3% 5 7) 9 July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths [...]
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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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10 ,
11 ,
13 ,
14 ,
15 ,
16 … ,
17 ,
18 ,
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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). ,
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8 ,
93. The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14 ,
In a diagnostic test in mathematics given to students, the following marks (out of 100) are recorded: 46,52,48,11,41,62,54,53,96,40,98,44 Which average will be a good representative of the above data?
03
Jul
In a diagnostic test in mathematics given to students, the following marks (out of 100) are recorded: 46,52,48,11,41,62,54,53,96,40,98,44 Which average will be a good representative of the above data? 11 40 41 44 Which average will be a good representative of the above data? 48 5^2 53 54 62 96 98 In a diagnostic test [...]
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 [...]
The ratio of the lengths, densities, masses and resistivities of two wires A and B are 1:2,1:2,1:1,1:4 respectively. The ratio of their resistances are:
02
Dec
The ratio of the lengths, densities, masses and resistivities of two wires A and B are 1:2,1:2,1:1,1:4 respectively. The ratio of their resistances are: -12 1:4 respectively. The ratio of their resistances are: 11 densities masses and resistivities of two wires A and B are 1:2 The ratio of the lengths December 2, 2020 Category: [...]
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 ,
How many terms of the AP: -15, -13, -11,— are needed to make the sum -55? Explain the reason for double answer.
23
Nov
How many terms of the AP: -15, -13, -11,— are needed to make the sum -55? Explain the reason for double answer. — are needed to make the sum -55? Explain the reason for double answer. 11 13 How many terms of the AP: -15 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , [...]
For the AP: -3, -7, -11,can we find directly a30 – a20 without actually finding a30 and a20? Give reasons for your answer.
23
Nov
For the AP: -3, -7, -11,can we find directly a30 – a20 without actually finding a30 and a20? Give reasons for your answer. 11 7) can we find directly a30 – a20 without actually finding a30 and a20? Give reasons for your answer. For the AP: -3 November 23, 2020 Category: Chapter 5 - Arithmetic [...]
1.Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches or calculators. 6, 11, 16, 21… (5n+1)…
10
Oct
1.Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches or calculators. 6, 11, 16, 21… (5n+1)… 1.Observe the patterns of digits made from line segments of equal length. You will find such segmented digits on the display of electronic watches [...]