1003055511
Level:
A
The price of an item without the tax equals \(60\) zlotys. When we add \(22\%\) tax to the price, the item costs
\( 73.20 \) zlotys
\( 49.18 \) zlotys
\( 60.22 \) zlotys
\( 82 \) zlotys
Percent problems
1003055512
Level:
A
The price of a certain commodity increased from \( 1200 \) zlotys to \( 1248 \) zlotys. By what percentage the price has risen?
\( 4\% \)
\( 40\% \)
\( 0.4\% \)
\( 0.04\% \)
1003055513
Level:
A
\( 280 \) tickets were sold for the show, including \( 126 \) reduced tickets. What percentage of tickets sold were reduced tickets?
\( 45\% \)
\( 33\% \)
\( 22\% \)
\( 63\% \)
1103055502
Level:
A
Titanic sailed to New York on April 10, 1912. Among the \( 2200 \) people on board there were Class I, Class II, Class III passengers and the crew. The pie chart shows the Titanic percent composition (to \(1\%\) accuracy). By what percentage is the number of the third-class passengers bigger than the number of the crew?
\(25\%\)
\(8\%\)
\(17\%\)
\(125\%\)
1103055505
Level:
A
In the warehouse there were \( 400 \) kilograms of fruit. The diagram shows the percentage composition of fruit in the warehouse according to their weight. How many kilograms of pears were there?
\( 140\,\mathrm{kg} \)
\( 150\,\mathrm{kg} \)
\( 145\,\mathrm{kg} \)
\( 155\,\mathrm{kg} \)
2010001901
Level:
A
A \( 5\,\mathrm{kg} \) sugar solution was prepared by dissolving \( 400 \) g of sugar in water. Calculate the percentage concentration of the solution.
\( 8\% \)
\( 12.5\% \)
\( 80\% \)
\( 16\% \)
2010001902
Level:
A
Sport shoes cost \( 112 \) EUR after a \( 40\% \) price increase. How much did the same shoes cost before the price increase?
\( 80 \) EUR
\( 28 \) EUR
\( 78.4 \) EUR
\( 67.2 \) EUR
2010008301
Level:
A
Three companies made a commitment to donate a portion of their annual profit to charity (see the table). Which company did donate the biggest sum?
\[\begin{array}{|c|c|c|} \hline \text{Company} & \text{Annual profit} & \text{Ratio from annual profit} \\\hline A & 6\,000\,000 & 4.0\% \\\hline B & 12\,000\,000 & 2.0\% \\\hline C & 48\,000\,000 & 0.5\% \\\hline \end{array}\]
All companies donated the same sum.
The biggest donor was the company A.
The biggest donor was the company B.
The biggest donor was the company C.
2010008302
Level:
A
During epidemic the towns reported the ratios of ill citizens (see the table). Which town had the biggest number of ill citizens on 1$^{\mathrm{st}}$ July.
\[\begin{array}{|c|c|c|} \hline \text{Town} & \text{Total population} & \text{Ratio of ill citizens on 1\(^{\mathrm{st}}\) July 2020} \\\hline A & 8\,000 & 4.0\% \\\hline B & 64\,000 & 0.5\% \\\hline C & 320\,000 & 0.1\% \\\hline \end{array}\]
All towns had the same number of ill citizens.
The biggest number of ill citizens was in the town A.
The biggest number of ill citizens was in the town B.
The biggest number of ill citizens was in the town C.
2010008303
Level:
A
Three merchants were selling the same product for the same price. Successively they adjusted the prices as follows:
(a) Merchant A first increased the price of the product by \(5\%\), but later reduced it by \(10\%\).
(b) Merchant B first reduced the price of the product by \(2\%\) and later reduced it again, this time by \(3\%\).
(c) Merchant C adjusted the price of the product only once. He cheapened the product by \(10\%\).
Which merchant offers the product for the highest price after price adjustments?
Merchant B
Merchant A
Merchant C
All merchants will sell the product for the same price.