Mathematics (Syllabus D) 4024/21 — May/June 2011
Cambridge O-Level · Calculator · worked solutions for every part, with the mark scheme
Topics Algebra and Graphs · Geometry · Trigonometry · Mensuration · Number · Transformations and Vectors · +4 more
Ahmed’s internet provider offers two payment schemes.
Scheme A : $30 per month for unlimited use.
Scheme B : $0.05 per minute on weekdays and $0.03 per minute at the weekend.
Each month Ahmed uses the internet for a total of hours at the weekday rate and a total of 12 hours at the weekend rate.
Find the cost per month, in dollars, for Scheme B and decide which payment scheme is cheaper.
Scheme B costs $ ______
Scheme ______ is cheaper
Ahmed’s printer can use large or small black cartridges.
A large cartridge costs $48.50 and prints 1000 pages.
A small cartridge prints 650 pages.
2 small cartridges cost $65.
Find the cost per page, in dollars, if Ahmed buys 2 small cartridges.
$ ______
Is it cheaper per page for Ahmed to buy 2 small cartridges or a large cartridge?
Show your working.
Ahmed buys a new monitor, keyboard and computer.
He is given a 15% discount off the total price.
The discounted price that Ahmed pays is $1134.75.
The price of the monitor before the discount was $375.
The price of the keyboard before the discount was $70.
Calculate the price of the computer before the discount.
$ ______
The rest of this paper
10 more questions- Q2Coordinate Geometry · Algebra and Graphs9M
- Q3Trigonometry · Geometry · Number · Algebra and Graphs8M
- Q4Algebra and Graphs · Mensuration7M
- Q5[Legacy] Matrices · Transformations and Vectors · Mensuration12M
- Q6Transformations and Vectors · Geometry9M
- Q7Trigonometry · Geometry · Mensuration12M
- Q8Geometry · Trigonometry · Algebra and Graphs12M
- Q9Statistics · Probability12M
- Q10Mensuration · Number12M
- Q11Algebra and Graphs · Geometry · Trigonometry12M