Profit And Loss Test - 3

A total of 500 people voted for a resolution; but after some discussion, the opponents were increased by 100%. The motion was then rejected by a majority, three times as great as that by which it was formerly passed. How many voted for and how many voted against the resolution initially?

A tradesman marks an article at a price which would give him a profit of 20% on the cost price. To the favoured customers, he makes a deduction of 5% from the marked price. What actual profit does he receive from the sale of an article to a favoured customer for which the latter pays him $28.50?

A man sells an article at a gain of 10%. If he had bought it at 10% less and sold it for Rs. 132 less, he would have still gained 10%. The cost price of the article is

According to a survey, the population of a city increases by 10% every year for two years and then decreases by 10% every year for two years. If the population 4 years ago was 100000, what will it be after four years?