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30.05% of 250.05 – 15.15% of 99.99 × 2.02 = ? => ? = 30% of 250 – 15% of 100 × 2 => ? = 75 – 15 × 2 => ? = 75 – 30 = 45
The population of a city is decreased by 20% in the first year and then increased by 32% in the second year. Find the population of the city at the end...
A store offers two consecutive discounts of 12% and 8% on an item. Determine the equivalent single discount percentage.
A person spent 10% of his monthly income on food and 50% of the remaining on rent. If amount spent on rent is Rs 1350, then find the amount spent...
Milk contains 6% water. What quantity of pure milk should be added to 12 litres of milk to reduce the quantity of water to 3%?
A bag contains 400 coins of 25p denomination and 800 coins of 50p denominations. If 14% of 25p coins and 28% of 50p coins are removed, the percentage of...
In a village, number of male, female and children are in the ratio of 3:5:7. If 90% of the males are literate, 80% of females are literate and 40% of ch...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.1800 after 2 years. If the same amount is investe...
A towel was 75 cm broad and 120cm long. When bleached, it was to have lost 40% of its length and 20% breadth. The percentage of decrease in area is:
In a school with 800 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...