Mixed Deck — All BKSB Topics Flashcards

A groundskeeper is marking the boundary of a new rectangular playing field that is 90 metres long and 60 metres wide. What is the total perimeter of the field?

Answer: 300 metres

The perimeter of a rectangle is the total distance around its boundary. It is calculated using the formula P = 2 × (length + width). So, P = 2 × (90m + 60m) = 2 × 150m = 300 metres.

Which of the following is an input device?

Answer: Keyboard

A keyboard is an input device because it sends data from the user into the computer.

A store sells 3 items for £7.50. What is the cost of one item?

Answer: £2.50

£7.50 ÷ 3 = £2.50 per item.

The area of a square is 64 cm². What is the length of one side?

Answer: 8 cm

Side = √64 = 8 cm.

What is the value of 7 × 8?

Answer: 56

The value of 7 multiplied by 8 is 56. This is a fundamental multiplication fact that can be found by repeatedly adding 7 eight times (7+7+7+7+7+7+7+7) or 8 seven times (8+8+8+8+8+8+8). Mastering basic multiplication tables is essential for more complex mathematical calculations.

Which of the following reading techniques is most effective for quickly finding a specific date in a lengthy historical document?

Answer: Scanning

Scanning is the technique of moving your eyes quickly over a text to find a specific piece of information, such as a name, number, or date, without reading every word.

A survey of 200 people found that 15% have a pet cat. How many people surveyed have a pet cat?

Answer: 30

To find the number of people, calculate 15% of 200. This can be done by converting the percentage to a decimal (0.15) and multiplying by the total number of people (0.15 * 200 = 30).

Which sentence uses the correct form of 'their,' 'there,' or 'they're'?

Answer: They're planning a surprise party for her.

They're is the contraction of 'they are,' which is correct in this context.

Which of the following reading approaches is most appropriate when you need to find a specific phone number in a long directory?

Answer: Scanning for the specific name or number

Scanning means moving your eyes quickly to locate a specific piece of information without reading everything.

Which sentence uses a semicolon correctly?

Answer: She loves hiking; however, she hates camping.

A semicolon is correctly used before a conjunctive adverb like 'however' to join two independent clauses.

A data set contains values: 5, 8, 8, 9, 12, 14, 20. Which value, if added, would NOT change the mode?

Answer: 8

The current mode is 8 (appears twice); adding another 8 keeps 8 as the mode.

Which sentence is grammatically correct?

Answer: Each of the students has submitted their essays.

'Each' is singular and takes the singular verb 'has'; 'their' is accepted as a gender-neutral singular pronoun.

A sentence reads: 'Despite the rain, the outdoor event was a resounding success.' What does 'resounding' mean?

Answer: Complete and emphatic

'Resounding' in this context means complete or emphatic, emphasizing how successful the event was.

A questionnaire asks: 'Don't you agree that fast food is unhealthy?' What is wrong with this question?

Answer: It is a leading question that influences the answer

The phrase 'Don't you agree' steers respondents toward a particular answer, making it a biased leading question.

A text includes a sidebar with additional information next to the main article. What is the most likely purpose of the sidebar?

Answer: To provide supplementary or related information without interrupting the main text

Sidebars present related or extra content that complements the main article without disrupting its flow.

A coworker keeps interrupting you during meetings. What is the most professionally appropriate response?

Answer: Politely ask them to let you finish before responding

Calmly asserting your need to finish speaking addresses the issue directly and professionally without escalating conflict.

A grouped frequency table has total frequency 60. The relative frequency of one class is 0.25. How many values are in that class?

Answer: 15

Frequency = relative frequency × total = 0.25 × 60 = 15.

A fence runs around a square garden with an area of 49 m². What is the total length of the fence?

Answer: 28 m

Side = √49 = 7 m; perimeter = 4 × 7 = 28 m.

A bar chart shows a company's quarterly sales: Quarter 1: £45,000, Quarter 2: £60,000, Quarter 3: £55,000, Quarter 4: £70,000. Which of the following statements is a correct interpretation of the data?

Answer: Sales in Quarter 2 were higher than in Quarter 3.

According to the data, Quarter 2 sales were £60,000 and Quarter 3 sales were £55,000. Therefore, the statement that sales in Quarter 2 were higher than in Quarter 3 is correct.

Which sentence uses quotation marks correctly?

Answer: She said, "I will be there soon."

In American English, periods and commas go inside closing quotation marks, and dialogue is introduced with a comma after the attribution.