A larger circle with center O and a smaller circle with center P touch each other externally such that the length of their common tangent LM is 12 cm. If the radius of the larger circle is 18 cm, then what is the radius (in cm) of the smaller circle?

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?