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Maths-

General

Easy

Question

If the mean of the numbers 27+x, 31+x, 89+x, 107+x,156+x, is 82, then the mean of 130+x, 126+x, 68+x, 50+x, 1+x is

75
157
82
80

hint Hint:

The correct answer is: 75

To find the mean of the given numbers.
Given, Mean of numbers $27 + x, 31 + x, 89 + x, 107 + x, 156 + x$ is $82$
$fraction numerator space 27 plus x plus 31 plus x plus 89 plus x plus 107 plus x plus 156 plus x over denominator 5 end fraction$
$410 + 5 x = 410$

$x = 0$

Mean of $130 + x, 126 + x, 68 + x, 50 + x, 1 + x$ is $fraction numerator 130 plus x plus 126 plus x plus 68 plus x plus 50 plus x plus 1 plus x over denominator 5 end fraction$ $$

$fraction numerator 375 plus 5 x space over denominator 5 end fraction$

$=75$

Therefore, the mean of given data is 75.

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