To make a cake, we use 200 g sugar, 200 g butter, 100 g egg yolk, 200 g flour, and 100 g milk. What percentage of butter is present in the cake?
Find : (i) 45 is what percent of 54 ? (ii) 2.7 is what percent of 18 ?
What is the potenitalenergy of a book of mass 200g kept on a table of height 1 m