Numeracy Skills Flashcards
7 cards from real BKSB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Numeracy Skills flashcards as text
What is the area of a rectangle with a length of 8.5 cm and a width of 4 cm?
Answer: 34 cm²
Area = length × width = 8.5 × 4 = 34 cm².
A bank account earns 3% simple interest per year. If $500 is deposited, how much interest is earned after 2 years?
Answer: $30
Simple interest = Principal × Rate × Time = 500 × 0.03 × 2 = $30.
What is the median of the following set of numbers: 7, 3, 9, 1, 5?
Answer: 5
Arranged in order: 1, 3, 5, 7, 9 — the middle value is 5.
How many milliliters are in 2.5 liters?
Answer: 2,500 mL
1 liter = 1,000 mL, so 2.5 × 1,000 = 2,500 mL.
A jacket originally priced at $80 is on sale for $60. What is the percentage discount?
Answer: 25%
Discount = (80 − 60) ÷ 80 × 100 = 20 ÷ 80 × 100 = 25%.
Which expression is equal to 3² + 4²?
Answer: 5²
3² + 4² = 9 + 16 = 25 = 5², which is related to the Pythagorean triple 3-4-5.
A number is increased by 30% and the result is 91. What was the original number?
Answer: 70
Original = 91 ÷ 1.30 = 70.