Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is
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)?
A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)