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The average of the 2−digit numbers 37,45,6x and x6 is 48. What is the average of (4x+3) and (x+7)?
- a)12.5
- b)15
- c)17.5
- d)20
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
The average of the2−digit numbers37,45,6xandx6is48. What is the ...
Given:
Average of numbers 37,45,6x, and x6=48
As we know,
Average of observations = Sum of observationsNumber of observations
The numbers 6x and x6 can be written as 60+x and 10x+6 in terms of the sum of unit digit and ten's digit.
Now,
= 30/2
= 15
∴ The required result is 15.
Average of numbers 37,45,6x, and x6=48
As we know,
Average of observations = Sum of observationsNumber of observations
The numbers 6x and x6 can be written as 60+x and 10x+6 in terms of the sum of unit digit and ten's digit.
Now,
= 30/2
= 15
∴ The required result is 15.
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The average of the2−digit numbers37,45,6xandx6is48. What is the average of(4x+3)and(x+7)?a)12.5b)15c)17.5d)20Correct answer is option 'B'. Can you explain this answer?
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