Mixed Deck — All HBS Topics Flashcards

Which gas do plants absorb during photosynthesis?

Answer: Carbon dioxide

Plants absorb carbon dioxide and use sunlight and water to produce glucose and oxygen through photosynthesis.

Anna, Ben, and Cara each have a different pet: a cat, a dog, or a rabbit. Anna does not have the cat. Ben does not have the dog. Cara has the rabbit. Who has the cat?

Answer: Ben

Cara has the rabbit, so Anna and Ben share cat and dog; since Anna does not have the cat, Ben must have the cat.

What is 'pathetic fallacy'?

Answer: Using weather or nature to reflect a character's emotions

Pathetic fallacy attributes human emotions to nature or weather to mirror a character's feelings.

If 4 workers can build a wall in 6 days, how many days will 8 workers take (same rate)?

Answer: 3 days

Total worker-days = 4 × 6 = 24; with 8 workers: 24 ÷ 8 = 3 days.

A book has 320 pages. Maya reads 40 pages each day. How many days will it take her to finish?

Answer: 8 days

320 ÷ 40 = 8 days.

A rectangle has a perimeter of 56 cm. If its length is 18 cm, what is its width?

Answer: 10 cm

Perimeter = 2(length + width), so 56 = 2(18 + w), giving w = 10 cm.

A car costs $18,000. After a 15% discount, how much does it cost?

Answer: $15,300

Discount = 15% × $18,000 = $2,700; price = $18,000 − $2,700 = $15,300.

Which is the most effective opening for a story?

Answer: The scream tore through the silence before Emma could reach the door.

An effective opening creates immediate tension, atmosphere, and intrigue, as in the third option.

What is the purpose of a 'hook' at the beginning of a story?

Answer: To grab the reader's attention immediately

A hook is an opening device designed to immediately engage and capture the reader's interest.

What is the sum of interior angles of a pentagon?

Answer: 540°

Sum of interior angles = (n − 2) × 180° = (5 − 2) × 180° = 540°.

Which shape fits into the missing part of the puzzle?

Answer: Shape 1

The puzzle follows a pattern where each row and each column must contain one of each unique shape (Square, Circle, Triangle). By examining the third row, which currently has a Triangle and a Square, the missing shape must be the Circle to complete the set. Similarly, looking at the third column, with a Triangle and a Square, the missing shape is also a Circle.

A number is divided by 4, then 5 is added. The result is 13. What is the original number?

Answer: 32

Let n be the number; n/4 + 5 = 13 → n/4 = 8 → n = 32.

Choose the correct pair: "Big is to Small as Tall is to _______."

Answer: Short

The analogy establishes a relationship of antonyms or opposites. "Big" is the opposite of "Small." Following this pattern, the opposite of "Tall" is "Short," making it the correct word to complete the analogy.

Sarah earns $12 per hour. She works 7.5 hours. How much does she earn?

Answer: $90

$12 × 7.5 = $90.

How many sides does a hexagon have?

Answer: 6

A hexagon has 6 sides; 'hex' is derived from the Greek word for six.

Which sentence best uses sensory language?

Answer: The sweet scent of roses drifted through the warm air.

Sensory language appeals to the senses; 'sweet scent', 'warm air' engage smell and touch.

What comes next in the sequence:

Answer: Triangle

The sequence follows a repeating pattern of three shapes: Square, Circle, Triangle. After the second occurrence of the "Circle" in the pattern, the next shape in the sequence must be the "Triangle" to complete the repeating cycle.

A number pattern goes: 2, 6, 18, 54, … What is the next term?

Answer: 162

Each term is multiplied by 3; 54 × 3 = 162.

What is 'third-person limited' point of view?

Answer: The narrator follows one character's perspective using 'he/she'

Third-person limited uses 'he/she' and follows one character's perspective without knowing all characters' inner thoughts.

Which technique makes dialogue feel natural in creative writing?

Answer: Using contractions and interruptions

Natural dialogue uses contractions, interruptions, and informal speech patterns as people actually speak.