Matter made-up of __________? And: Small particles. Matters around us exist in which form? And:3 different froms they are: solid, liquid and gas. In which medium force of attraction is maximum and...
Que : Average of 5 consecutive even numbers is 12 . Find the sum of 1st and last numbers. Sol : shortcut... If consecutive numbers average is given, then average is (1st + last)/2 = 12 Therefore sum of 1st and last = 12*2 = 24