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If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x?
Verified Answer
If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the va...
It's 9
(x+x+2+x+4+x+6+x+8)/5=11
5x+20= 55
x+4=11
x=7
now,( 7+9+11)/3= 9
This question is part of UPSC exam. View all Class 10 courses
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If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the va...
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If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the va...
Mean of 5 observations:
The given problem states that the mean of 5 observations, x, x+2, x+4, x+6, and x+8, is 11. We need to find the value of x.
Step 1: Set up the equation:
To find the value of x, we can start by finding the sum of these 5 observations. The mean of these observations is equal to the sum divided by the number of observations. So, we can set up the equation as follows:
(x + (x+2) + (x+4) + (x+6) + (x+8)) / 5 = 11
Step 2: Simplify the equation:
Let's simplify the equation by combining like terms and solving for x:
(5x + 20) / 5 = 11
5x + 20 = 55
5x = 55 - 20
5x = 35
Step 3: Solve for x:
Dividing both sides of the equation by 5, we can find the value of x:
x = 35 / 5
x = 7
Conclusion:
The value of x is 7.
The given problem states that the mean of 5 observations, x, x+2, x+4, x+6, and x+8, is 11. We need to find the value of x.
Step 1: Set up the equation:
To find the value of x, we can start by finding the sum of these 5 observations. The mean of these observations is equal to the sum divided by the number of observations. So, we can set up the equation as follows:
(x + (x+2) + (x+4) + (x+6) + (x+8)) / 5 = 11
Step 2: Simplify the equation:
Let's simplify the equation by combining like terms and solving for x:
(5x + 20) / 5 = 11
5x + 20 = 55
5x = 55 - 20
5x = 35
Step 3: Solve for x:
Dividing both sides of the equation by 5, we can find the value of x:
x = 35 / 5
x = 7
Conclusion:
The value of x is 7.
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If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x?
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If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x?.
If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the mean of 5 observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x?.
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