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Question 1 of 10
1. Question
This pie chart describes the market share of 5 brands of cleaner, based on a survey of 300 shoppers in New York.
The angle for B is 198 degrees. How many shoppers purchased B?
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Question 2 of 10
2. Question
There is a 12% sales tax. The pre-tax cost of a mobile phone is $280. What is the tax payable on this mobile phone?
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Question 3 of 10
3. Question
Given the formula a = s2 + 3b – c , find the value of a when s = 7, b = 13 and c = -24.
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Question 4 of 10
4. Question
A wage sheet of a small business shows one employee’s details. The employee is paid $40 an hour for overtime hours where they work more than their usual 26 hours.
Employee Rate Per Hour Normal Hours Overtime Hours Wage ABC $25.00 26 x $850 What number should replace x?
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Question 5 of 10
5. Question
Which of these is true?
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Question 6 of 10
6. Question
Chong thinks of a number, adds 10 then multiplies the number so obtained by 3 and gets 42.
If the number is n then write an equation for this.
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Question 7 of 10
7. Question
The graph below is part of the graph of the function T = (t + 1)(t – 3) for the temperature in a refrigerator for time t hours after midday.
For which set of t values is the temperature below 0?
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Question 8 of 10
8. Question
What is the value of (x2 + x + 3) / (x + 2) when x = -1?
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Question 9 of 10
9. Question
What percentage of students who got a mark below 30 got a mark below 20?
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Question 10 of 10
10. Question
There are 1,000,000 kb in a GB. Guy has 29 GB of storage on his computer. He has a lot of picture files of about 78kb.
What is the maximum number of such pictures he can store on his computer?
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