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Find the mean from the following frequency distribution of marks at a test in statistics:Marks (x)
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Find the mean from the following frequency distribution of marks at a test in statistics:Marks (x)
The percentage of marks obtained by 100 students in an examination are given below:Determine the med
6:52
The percentage of marks obtained by 100 students in an examination are given below:Determine the med
The distribution below gives the marks obtained by 80 students on a test:The modal class of this dis
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The distribution below gives the marks obtained by 80 students on a test:The modal class of this dis
Consider the following table:The mode of the above data is(a) 25 (b) 23.5 (c) 24.4 (d) 24
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Consider the following table:The mode of the above data is(a) 25 (b) 23.5 (c) 24.4 (d) 24
the following frequency distribution:The upper limit of the median class is(a) 18.5 (b) 17.5 (c) 18
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the following frequency distribution:The upper limit of the median class is(a) 18.5 (b) 17.5 (c) 18
The following table gives the distribution of the life time of 400 neon lamps:Find the median life
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The following table gives the distribution of the life time of 400 neon lamps:Find the median life
The median class for the data given below is:(a) 80 - 100 (b) 60 – 80 (c) 20 - 40 (d) 40 - 60
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The median class for the data given below is:(a) 80 - 100 (b) 60 – 80 (c) 20 - 40 (d) 40 - 60
In a data, if l = 60, h = 15, f1 = 16, f0 = 6, f2 = 6, then the mode is(a) 67.5 (b)72(c) 60 (d) 62
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In a data, if l = 60, h = 15, f1 = 16, f0 = 6, f2 = 6, then the mode is(a) 67.5 (b)72(c) 60 (d) 62
The following data gives the distribution of total monthly household expenditure of 200 families of
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The following data gives the distribution of total monthly household expenditure of 200 families of
If the mean of a frequency distribution is 8.1 and Σ fixi = 132 + 5k, Σ fi = 20 then k=(a)3(b)4(c)5
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If the mean of a frequency distribution is 8.1 and Σ fixi = 132 + 5k, Σ fi = 20 then k=(a)3(b)4(c)5
If 35 is removed from the data: 30, 34, 35, 36, 37, 38, 39, 40, then the median increases by:(a)0.5
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If 35 is removed from the data: 30, 34, 35, 36, 37, 38, 39, 40, then the median increases by:(a)0.5
In the figure below ABCDE is a pentagon with BE || CD and BC || DE. BC is perpendicular to CD. If th
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In the figure below ABCDE is a pentagon with BE || CD and BC || DE. BC is perpendicular to CD. If th
Solve the following system of equation by elimination method:𝒙/𝟐−𝒚/𝟓=𝟒 𝒂𝒏𝒅 𝒙/𝟕+𝒚/𝟏𝟓=𝟑
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Solve the following system of equation by elimination method:𝒙/𝟐−𝒚/𝟓=𝟒 𝒂𝒏𝒅 𝒙/𝟕+𝒚/𝟏𝟓=𝟑
A system of linear equations is said to be inconsistent if it has(a) one solution (b) at least one
1:02
A system of linear equations is said to be inconsistent if it has(a) one solution (b) at least one
The lines represented by the linear equations y = x and x = 4 intersect at P. The coordinates of the
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The lines represented by the linear equations y = x and x = 4 intersect at P. The coordinates of the
Half of the difference between two numbers is 2. The sum of the greater number and twice the smaller
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Half of the difference between two numbers is 2. The sum of the greater number and twice the smaller
Solve algebraically the following pair of linear equations for x and y31x + 29y = 33; 29x + 31y = 27
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Solve algebraically the following pair of linear equations for x and y31x + 29y = 33; 29x + 31y = 27
A fraction is such that if the numerator is multiplied by 3 and the denominator is reduced by 3, we
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A fraction is such that if the numerator is multiplied by 3 and the denominator is reduced by 3, we
A man has only 20 paisa coins and 25 paisa coins in his purse. If he has 50 coins in all totalling
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A man has only 20 paisa coins and 25 paisa coins in his purse. If he has 50 coins in all totalling
The pair of linear equations 3x + 2y = 5 and 2x - 3y = 7 are(a) consistent (b) dependent(c) incons
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The pair of linear equations 3x + 2y = 5 and 2x - 3y = 7 are(a) consistent (b) dependent(c) incons
A plane left 30 minutes late than its scheduled time and in order to reach the destination 1500 km
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A plane left 30 minutes late than its scheduled time and in order to reach the destination 1500 km
The pair of linear equations y = 0 and y = - 6 has:(a) no solution (b) only solution (0, 0)
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The pair of linear equations y = 0 and y = - 6 has:(a) no solution (b) only solution (0, 0)
The number of solutions for two linear equations representing parallel lines is/are(a) 2 (b) ∞(c)1
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The number of solutions for two linear equations representing parallel lines is/are(a) 2 (b) ∞(c)1
pair of equations 𝒙 + 𝟐𝒚 + 𝟓 = 𝟎and –𝟑𝒙 – 𝟔𝒚 + 𝟏 = 𝟎 have(a) a unique solution (b) infinitely many
3:03
pair of equations 𝒙 + 𝟐𝒚 + 𝟓 = 𝟎and –𝟑𝒙 – 𝟔𝒚 + 𝟏 = 𝟎 have(a) a unique solution (b) infinitely many
A two-digit number is 4 times the sum of its digits. If 18 is added to the number, the digits are
10:00
A two-digit number is 4 times the sum of its digits. If 18 is added to the number, the digits are
પ્રકરણ 8 ત્રિકોણમિતિનો પરિચય મહત્વના સુત્રો યાદ રાખવાની ગજબની રીત આશિષ સર દ્વારા
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પ્રકરણ 8 ત્રિકોણમિતિનો પરિચય મહત્વના સુત્રો યાદ રાખવાની ગજબની રીત આશિષ સર દ્વારા
કિંમત શોધો : (𝒄𝒐𝒔 𝟒𝟓°)/(𝒔𝒆𝒄 𝟑𝟎°+𝒄𝒐𝒔𝒆𝒄 𝟑𝟎°) MATHS EDUCATOR - ASHISH SIR
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કિંમત શોધો : (𝒄𝒐𝒔 𝟒𝟓°)/(𝒔𝒆𝒄 𝟑𝟎°+𝒄𝒐𝒔𝒆𝒄 𝟑𝟎°) MATHS EDUCATOR - ASHISH SIR
કિંમત શોધો : (𝒔𝒊𝒏 𝟑𝟎°+𝒕𝒂𝒏 𝟒𝟓° −𝒄𝒐𝒔𝒆𝒄 𝟔𝟎°)/(𝒔𝒆𝒄 𝟑𝟎°+𝒄𝒐𝒔 𝟔𝟎°+𝒄𝒐𝒕 𝟒𝟓°)
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કિંમત શોધો : (𝒔𝒊𝒏 𝟑𝟎°+𝒕𝒂𝒏 𝟒𝟓° −𝒄𝒐𝒔𝒆𝒄 𝟔𝟎°)/(𝒔𝒆𝒄 𝟑𝟎°+𝒄𝒐𝒔 𝟔𝟎°+𝒄𝒐𝒕 𝟒𝟓°)
If x + 1 is a factor of 𝟐𝒙^𝟑 + 𝒂𝒙^𝟐+ 𝟐𝒃𝒙 + 𝟏, then find the values of a and b given that 2a -3b = 4
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If x + 1 is a factor of 𝟐𝒙^𝟑 + 𝒂𝒙^𝟐+ 𝟐𝒃𝒙 + 𝟏, then find the values of a and b given that 2a -3b = 4
Solve 2x + 3y = 11 and 2x – 4y = –24 and hence find the value of m for which y = mx + 3.
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Solve 2x + 3y = 11 and 2x – 4y = –24 and hence find the value of m for which y = mx + 3.