A soil sample is subjected to laboratory sieve analysis using a standard set of IS sieves. Out of 3 kg of soil used in the test, 1200 grams was retained on the IS 600 micron sieve, 1500 grams was retained on the IS 500 micron sieve, and the remaining 300 grams was retained on the IS 425 micron sieve. The uniformity coefficient (Cu) for the soil is:

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?