Refer to the given letter series and answer the question that follows. Counting is to be done from left to right. P B U L V V O E I V Z E Z A K D I R X A P U How many such consonants are there, each of which is immediately preceded by a consonant and also immediately followed by a vowel?

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?