1:The pages of a book are numbered 1 to 200 and each leaf is 0.10mm thick.If each cover is 0.20mm thick,what is the thickness of the book?
2:A metal block measures 10cmx2cmx2cm.What is its volume?How many blocks each 2cmx2cmx2cm have the same total volume?
Chemistry questions:
Differentiate between evaporation and boiling
How does food in pressure cooker cook faster?