I. Rectangular bars of equal width
II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.
III. Rectangular bars have common sides with no gaps in between
A histogram is described completely by

y is inversely proportional to x and y = 4 when x = 1/2. Find x when y = 10.

What are the integer values of x which satisfy the inequality -1 < 3 -2x \(\leq\) 5?

Given that the first and forth terms of G.P are 6 and 162 respectively, find the sum of the first three terms of the progression

If the operation * on the set of integers is defined by P * Q = \(\sqrt{PQ}\), find the value of 4 * ( 8 * 32).