Class 7 Exam > Class 7 Questions > The mean of 6, y, 7, x and 14 is 8.Which of t...
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The mean of 6, y, 7, x and 14 is 8.Which of the following is true?
- a)x+y = 13
- b)x−y = 13
- c)2x+3y = 13
- d)x2+y = 15
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+...
Mean=(6+y+7+x+14)/5
8=(27+y+x)/5
40=27+y+x
y+x=40-27=13
8=(27+y+x)/5
40=27+y+x
y+x=40-27=13
This question is part of UPSC exam. View all Class 7 courses
Most Upvoted Answer
The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+...
To find the mean, we add up all the numbers and divide by the number of numbers. In this case, we have 6, y, 7, x, and 14. So the equation for the mean is:
(6 + y + 7 + x + 14)/5 = 8
Now, we can simplify the equation:
(27 + x + y)/5 = 8
Next, we can cross-multiply to get rid of the fraction:
27 + x + y = 40
Now, we can subtract 27 from both sides:
x + y = 13
So the correct answer is:
a) x + y = 13
(6 + y + 7 + x + 14)/5 = 8
Now, we can simplify the equation:
(27 + x + y)/5 = 8
Next, we can cross-multiply to get rid of the fraction:
27 + x + y = 40
Now, we can subtract 27 from both sides:
x + y = 13
So the correct answer is:
a) x + y = 13
Community Answer
The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+...
I'am thinking answer is 'A'
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The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer?
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The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer?.
The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The mean of 6, y, 7, x and 14 is 8.Which of the following is true?a)x+y = 13 b)x−y = 13c)2x+3y = 13d)x2+y = 15Correct answer is option 'A'. Can you explain this answer?.
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