Inventors and Inventions
ADHESIVE TAPE Richard G. Drew (1899-1980) invented masking tape and clear adhesive tape (also called cellophane tape or Scotch tape). Drew was an engineer for the 3M company (the Minnesota Mining and .. read more.
Mental calculation technique
Mental calculation technique Example Mental calculation Reason 398*4 1600-8=1592 398*4=(400-2)*4 =400*4-2*4 =1600-8 240*5 120*10 divide by 2 and multiply by 10 240*5=240*10/2 =(240/2)*10 =120*10 320/5 640/10 multiply by 2 and divide by .. read more.
Quick Table of Multiples
Quick Table of Multiples [Multiple of 2] If the last figure of a number is even, then the number is a multiple of 2. [Multiple of 3] If the sum of every .. read more.
All about Lotus
All about Lotus A symbol of purity, fertility, eternity and the divine seat of the goddess Lakshmi, the lotus is also the National Flower of India. Here’s why this flower is so .. read more.
All about Silk
All about Silk Natural silk has its own irresistible charm. We know that silk comes from the silkworm. Read on to find out more. Have you ever dreamed of wearing those beautiful .. read more.
