CAT Question of the Day Let the set S = {1, 2, 3, 4, 5, 6, 7, 8}.
Find the number of ordered pairs (A, B), where A and B are subsets of S and A is a proper subset of B.
| OPTIONS | | |  | 1) | 6305 | | | 2) | 6561 | | | 3) | 4096 | | | 4) | 6433 |
Tip of the Day Two quadrilaterals are similar if their corresponding angles are equal. Similar quadrilaterals have the ratio of any corresponding linear measurements equal to the ratio of their corresponding sides. Ratio of area of similar quadrilaterals will be equal to the square of the ratio of their sides. Last year's Question of the day (25-Jun-11) The greatest integer function [ x] is defined as the greatest integer less than or equal to x. For any integer n ϵ N, find the sum of the following infinite series:  | OPTIONS | | | | | 1) | n | | | 2) | n – 1 | | | 3) | n + 1 | | | 4) | n + 2 |
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