Guess Paper

What guesses are made by Think-Tank about the books found on earth?

Which indicator paper out of blue litmus paper and pH paper is useful to distinguish between ethanoic acid and hydrochloric acid?

Out of 5 grass papers 1 ream paper were used for printing.How many quire papers remained in stock?

If a square paper is folded as shown in the question figures and then folded paper is punched, what will be the pattern on opening the paper?

Squared paper.