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9 people are sitting in a straight line, some are facing south, some are facing north.
Each of them is born during the years 1972 -1980 in the months of Jan - Sept.
(i) C is born in a leap year and in a month of 31 days. E is born in Sept. D is older than H but younger than F. The persons sitting adjacent to the ones who are born in a month of 31 days but not sitting at extreme ends are facing opposite directions.

(ii) Youngest of them sit at an extreme and is born in the month which has 31 days. While oldest of them born in July sit adjacent to one born in 28 days month but none of them sit at any extreme position. And both the youngest and the oldest face the same direction.

(iii) C sits 3rd left of H while I sits 2nd right of D. A sits 3rd left of G and face in same direction as G who is not sitting adjacent to I.

(iv) The one whose birthday falls in Jan is facing south and is sitting exactly in the middle.
(v) One whose birthday in Aug is facing south and is born in 1974. The ones who are born in 30 days are adjacent to each other and both are born in adjacent years but none of them is E.

(vi) H , who is facing north, was born in a year between the years D and A were born and none of them were born in a leap year.
(vii) The age difference between B and I is 7 years and they are born in May and March respectively. H and D sit adjacent to each other facing same direction.

(vii) B and E face same direction. And persons sitting adjacent to A face north direction. The persons adjacent to the oldest face opposite direction.

how to solve time and work problems

how to solve time and work problems

how to solve time and work problems in detail

Can anyone please tell me as to how they meet at the centroid since all the vertices are moving towards each other as described?? 

just to verify whether the below method is a fluke or correct in approach:

even factors of 135000 and 108000 would not vary for powers of 2 and 3 as in both the cases for 135000, 2 and 3 powers are less or equal to that of for 108000. only 5 will make the difference. For 135000 power of 5 can take values 0,1,2,3 and 4 but for 108000 power of 5 can take values 0,1 and 2 only.

So total number of factors = 3*4*2 = 24

3 => 1,2,3 powers of 2

4=> 0,1,2,3 powers of 3

2 => 3,4 powers of 5

here  i am go in conclustion 1 from E to A then A to B then this statetment wrong and If i am go E to D then D to C then C to B  then right what is correct method

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