Directions: In the following question, different parts of a sentence/passage have been jumbled. Choose the option that represents the best sequence to make the sentence/passage coherent and meaningful. Ignore punctuation marks.
P: This is only possible by means of a complete revolution in our thinking
Q: We have to get over the transitional period and become a modern, industrial state
R: We must spread scientific thinking on a massive scale
S: Encourage people to give up superstitions and backward feudal ideas