Question (41/48)
Where did India Post inaugurated a first floating post office in August 2011?(A)  Nakki Lake, Mount Abu
(B)  Jag Mandir lake, Udaipur
(C)  Vembanad Lake, Kerala
(D)  Dal Lake, Srinagar
Question (42/48)
The world's first official airmail flight took place in India on 18 February 1911, from where to where?(A)  Mumbai to Thane
(B)  Kolkata to Allahabad
(C)  Allahabad to Naini
(D)  Delhi to Kolkata