There is question in Chapter test on Data Handling (Maths, CBSE, Class VII) :
Mean of 3 and 6 =
Mean of
Now, we have to find 2 numbers lying between.
We know that the mean of 2 numbers always lies between the two numbers.
So, the value of x = mean of
Thus, we have
Now, to determine the value of y,
Mean of
So,
Thus, the required two numbers are.
Hope, this clears your doubt.