A pumping set with a motor has been installed in a building at a cost of ₹2,500. Assuming the useful life of the pump is 15 years, find the annual instalment of the sinking fund required to be deposited to accumulate the whole amount at 4% compound interest.

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?