1) 123*456 I II III 1 2 3 4 5 6 Multiply column III. Here, it's 18. Write 8 and carry over 1. Result=>__8 Cross multiply column II and III diagonally. ie 2*6 and 3*5. We get 12...
Chapter 2 :Micro organisms First of all what the term micro organism means .. They are the organisms which can't be seen through eye Examples :bacteria ,virus etc First of all lets talk about Bacteria...