The mean of $4, 7, x, y$ and $10$ is $8$ , then find the value of $x + y$ .

Open in App

Solution

Mean $= 8 = \frac{4 + 7 + x + y + 10}{5}$

$40 = 21 + (x + y)$

$(x + y) = 19$ .

Suggest Corrections

Similar questions

Find the value of x and y
$8 y - 3 x + 7 = 0 2 x - y + 4 = 0$

Find the equation 5x+8y=50,if y=10, then find the value of x

Question 56

If x varies inversely as y and when x = 6, y = 8, then x = 8, the value of y is 10.

Question 56

If x varies inversely as y and when x = 6, y = 8, then x = 8, the value of y is 10.

Join BYJU'S Learning Program