QFormula for Percentage reduction in consumption

The formula for Successive Discount:<br> If two successive discounts of a% and b% are offered then the If the price of petrol is increased by 20% and subsequently 40%, what is the final price if the original price Formula For Successive increase or decrease of percentage If two numbers are less than a third number by 40% and 47% respectively, approximately what percentage is the Find the net discount offered on two successive discounts of 20% and 30%? The quantity of water in milk constitutes 5 parts for every 15 parts of the mixture. What is the percentage of If A's income is 25% more than B's income then by what percentage is B's income less than A's? In a factory where 40% of the workers are technicians and 60% are non-technicians, and 60% of the technicians If 5% of the people in a village in Sri Lanka died by bombardment and 15% of the remainder left the village ou What will the population of a town be in two years if it has a current population of 1,76,400 and grows at a r