Vishnupad Temple' is situated in

49) Jiradei', the birthplace of Dr. Rajendra Prasad comes under which district of Bihar?

50) Indian Space Research Organisation (ISRO) is situated in

51) X is mightier than Y and Y is mightier than Z. P is mightier than Q but inferior to Y. Q is mightier than Z. Who is the weakest among all?

52) If each of the digits in the number '92581473' are arranged in ascending order what will be the difference between the digits, which are fourth from the right and third from the left in the new arrangement?