Name the state in which the village Gumthala Garhu near Pehowa in Kurukshetra district has become the first Wi-Fi hotspot village under bulk plan of Bharat Sanchar Nigam Limited (BSNL)?
The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is Rs. 840 . Rate of interest for which the same amount of interest can be received on the same sum after 5 years is