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    				| 1. | Column–I (A) In a plane a set of 8 parallel lines intersect a set of n parallel lines, that goes in another direction, forming a total of 1260 parallelograms. The value of n is equal to (B) If (""^(n-1)P_(3))/(""^(n)P_(4)) = (1)/(9) then n is equal to (C) Number of ways in which 5 persons A, B, C, D and E can be seated on round table if A and D do not sit next to each other (D) Number of cyphers at the end of the number""^(50)P_(25) Column -II (P) 6 (Q) 9 (R) 10 (S) 12 | 
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