Question

find three rational no. between -2 / 5 and 1 / 2 in mean method.

Answer 1

Answer:

Three rational no. between -2 / 5 and 1 / 2 in mean method are

-1/10 , 1/5 , 7/10

Step-by-step explanation:

The two rational numbers are -2/5 and 1/2

The mean of these two numbers are lies between -2/5 and 1/2

To find the mean of -2/5 and 1/2

[-2/5 + 1/2 ]/2 = 1/5

The numbers are in increasing order

-2/5 , 1/5 , 1/2

To find the mean of -2/5 and 1/5

[-2/5 + 1/5] / 2 = -1/10

To find the mean of 1/5

[1/5 + 1/2]/2 = 7/10

The numbers are in increasing order

-2/5 ,-1/10 , 1/5 , 7/10, 1/2

Therefore three rational no. between -2 / 5 and 1 / 2 in mean method are

-1/10 , 1/5 , 7/10

Answer 2

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