Practice Flashcards
7 cards from real PI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Practice flashcards as text
A rectangle has a perimeter of 54 cm and a length of 18 cm. What is its width?
Answer: 9 cm
Perimeter = 2(l + w), so 54 = 2(18 + w), meaning w = 27 − 18 = 9 cm.
Which shape completes the matrix if the third row follows the same rule as the first two rows (each row has a triangle, circle, and square in some order)?
Answer: Triangle
If the first two rows each contain one triangle, one circle, and one square, the missing shape in the third row must be a triangle.
MEND is to REPAIR as RAZE is to ___
Answer: Demolish
Mend and repair are synonyms meaning to fix; raze means to demolish completely.
If today is Wednesday, what day will it be 100 days from now?
Answer: Friday
100 ÷ 7 = 14 remainder 2, so 100 days later is 2 days after Wednesday = Friday.
All athletes exercise regularly. Maria exercises regularly. Which conclusion is valid?
Answer: Maria may or may not be an athlete
Exercising regularly is a necessary but not sufficient condition for being an athlete in this argument.
What is the next number: 1, 4, 9, 16, 25, ___?
Answer: 36
These are perfect squares: 1², 2², 3², 4², 5², so next is 6² = 36.
A project takes 6 workers 8 days to complete. How many days would it take 4 workers at the same rate?
Answer: 12 days
Total work = 6 × 8 = 48 worker-days; 48 ÷ 4 workers = 12 days.