BKSB Numeracy Skills 3

Question 1

What is the area of a rectangle with a length of 8.5 cm and a width of 4 cm?

Accepted Answer

34 cm²

Answer

Area = length × width = 8.5 × 4 = 34 cm².

Question 2

A bank account earns 3% simple interest per year. If $500 is deposited, how much interest is earned after 2 years?

Accepted Answer

$30

Answer

Simple interest = Principal × Rate × Time = 500 × 0.03 × 2 = $30.

Question 3

What is the median of the following set of numbers: 7, 3, 9, 1, 5?

Accepted Answer

5

Answer

Arranged in order: 1, 3, 5, 7, 9 — the middle value is 5.

Question 4

How many milliliters are in 2.5 liters?

Accepted Answer

2,500 mL

Answer

1 liter = 1,000 mL, so 2.5 × 1,000 = 2,500 mL.

Question 5

A jacket originally priced at $80 is on sale for $60. What is the percentage discount?

Accepted Answer

25%

Answer

Discount = (80 − 60) ÷ 80 × 100 = 20 ÷ 80 × 100 = 25%.

(BKSB) Basic and Key Skills Builder Practice Test