self Maths Puzzle Logical Reasoning Seating Arrangement

There are seven persons up on the ladder. 'A' is further up than 'E' but is lower than 'C', 'B' is in the middle. 'G' is between 'A' and 'B'. 'E' is between 'B' and ?F?. If 'F' is between 'B' and 'D', then the person on the top of the ladder will be

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self Other Question

In the square below, numbers have been filled according to some rule. One square has been left blank. Find the correct number to be filled in the blank square from amongst the given options.
7 28 49
9 45 81
8 ? 64
What is the probability of finding exactly 33 multiples of 3 when 100 consecutive
natural nos are selected?
(a)1/3
(b)2/3
(c)1 (d) none of these