TYPE 1.If there is increase of X% and subsequently X% decrease then there is always loss / decrease in the condition. Example. If rohan salary is increase by 50% and subsequently decrease by 50%. How much percentage loss?Ans. By trick ---- 50x50/100= 25% decrease/loss TYPE 2.if A is P% more than B. then B is less than by A with P/(100+P)x100 Example: If radha earning is 25% more than sita....
