List of top Mathematics Questions on Arithmetic Mean asked in AP POLYCET

If assumed mean of a data is 47.5, \( \sum f_i d_i = 435 \) and \( \sum f_i = 30 \), then mean of that data is:
The product of two numbers is 91 and their arithmetic mean is 10, then the two numbers are
The arithmetic mean of a-3d, a- d, a+d and a + 3d is
The centroid divides each median in the ratio of
The arithmetic mean and geometric mean between two numbers are 75 and 21 respectively, then the numbers are