12 markseasy
(c)
i) Write down the fraction of the rectangle that is shaded.
(1 mark)
ii) Find the percentage of the rectangle that is not shaded.
(1 mark)
Maths — Core
23 questions · 47 marks · ≈ 47 min
i) Write down the fraction of the rectangle that is shaded.
(1 mark)
ii) Find the percentage of the rectangle that is not shaded.
(1 mark)
In 2019 the rent for a café was $7275. In 2020 the rent was $7566.
Calculate the percentage increase in the rent between 2019 and 2020.
There are 480 cabins on a ship. On one cruise, 456 of these cabins were used.
Find the percentage of cabins that were used.
....................%
Last year the cost of a cruise was $4600. This year the cost of the same cruise is $4784.
Work out the percentage increase in the cost.
A plane ticket costs $680 plus a tax of 16%.
Find the total cost of this ticket.
$ .................................................
Work out 5% of $25.
$ ..................................................
Work out 142 as a percentage of 304.
......................... %
A car park has 880 spaces.
25% of the 880 spaces are on the top floor.
Work out the number of spaces that are on the top floor.
Work out 8% of 140.
The entry price to a museum is $18. This price is increased by 28%.
Find the increased entry price.
$ .................................................
Increase 42 by 16%.
Roberto buys a toy for $5.00 . He then sells it for $4.60 .
Calculate his percentage loss.
In a football stadium there are 15 000 seats. 10 650 of these seats are occupied. Find the percentage of the 15 000 seats that are occupied.
Soraya is making flags to sell.
Each flag costs $15 to make. Soraya sells one flag for $21.
Calculate the percentage profit.
Last year the cost to keep a boat at a port was $14 per night. This year the cost has increased by 12%.
Calculate the cost this year.
$....................................................
The price of a television is $560. This price is reduced by 18% in a sale.
Work out the sale price.
$ ...................................................
The price of a watch increases from $18 to $19.17 .
Find the percentage increase in the price of this watch.
In an orchestra there are 15 woodwind instruments, consisting of oboes, flutes and clarinets. 20% of these instruments are oboes. There are twice as many flutes as clarinets.
Find the number of flutes.
Yani’s house is for sale. She decides to reduce the selling price of $240000 by 15%.
Calculate the new selling price.
$ ................................
Nadira buys a pack of 40 dresses and pays $500. She sells 35 of these dresses for $22 each. She sells the remaining 5 dresses for $14.50 each.
Calculate the percentage profit she makes when she sells all 40 dresses.
Work out $1.20 as a percentage of $16.
The number of passengers on a train increases from 63 to 77.
Calculate the percentage increase.
..............................%
A geography examination lasts for 1 hour 40 minutes. Hari is allowed 25% extra time for his geography examination.
Work out the total time Hari has for this examination. Give your answer in hours and minutes.
.............. h .............. min
Two competing stores have discounts on their products.
Store A introduces an extra discount, which is applied to items after the first discount is applied.
| Store A | Store B |
|---|---|
| 20% off | 25% off |
| Today only: Additional 5% off! |
Which store will be the cheapest for an item with the same original price in both stores? Show your working clearly.