UIIC AO Percentages — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UIIC AO Percentages in the app →If a number is increased by 40% and then decreased by 25%, what is the net percentage change?In a town the population grew from 24,000 to 30,000. By what percent did the population increase?A is 40% more than B. By what percent is B less than A?If 30% of x equals 60% of 80, find x.In an election between two candidates, the winner got 56% of the valid votes and won by a majority of 1,440 voA student scored 45% marks and failed by 12 marks. Pass mark is 50% of the maximum. What is the maximum mark?After two equal successive discounts of 20% each, what is the single equivalent discount?If the price of a commodity rises by 25%, by what percent must consumption be reduced so expenditure stays theA's salary is 20% less than B's. By what percent is B's salary more than A's?If 60% of students pass an exam and 240 fail, how many students appeared?The number 720 is what percent more than 480?If the sides of a square are increased by 10%, by what percent does the area increase?In a class of 80 students, 60% are girls. If 12 more boys join, what is the new percentage of boys?A man spends 75% of his income. If his income increases by 20% and expenditure by 10%, by what percent do his If 15% of (A + B) = 25% of (A − B), then A : B equals: