If the lengths of the two parallel sides of a trapezium are 4 cm and 6 cm and its area is 25 cm². Find the distance between its parallel sides (in cm).
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)?