Five mark exercise problems V — task. Mathematics State Board, Class 9.

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1. The mean of five positive integers is twice their median. If four of the integers are

$3$ ,

$4$ ,

$6$ ,

$9$ and median is

$6$ , then find the fifth integer.

Answer:

Fifth integer

$=$

2. For the data

$11$ ,

$15$ ,

$17$ ,

$x + 1$ ,

$19$ ,

$x - 2$ ,

$3$ if the mean is

$14$ , find the value of

$x$ . Also find the mode of the data.

Answer:

$x =$

Mode

$=$

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