Skip to content
Free diagnostic

CBEST Daily Question

Past questions

Try each one first, then tap to see the answer and the explanation.

Question 1 · Mathematics: Estimation, Measurement, and Statistical Principles

A drawer holds 5 black socks and 3 white socks. Two socks are drawn at random without replacement. What is the probability that both are black?

  • A. 5/14
  • B. 25/64
  • C. 5/8
  • D. 1/2
Show the answer
A. 5/14

The probability is 5/8 for the first sock and 4/7 for the second, and 5/8 × 4/7 = 20/56 = 5/14.

Question 2 · Mathematics: Estimation, Measurement, and Statistical Principles

A recipe calls for 2.5 liters of water. How many milliliters is this?

  • A. 250
  • B. 25
  • C. 25,000
  • D. 2,500
Show the answer
D. 2,500

There are 1,000 milliliters in a liter, so 2.5 × 1,000 = 2,500.

Question 3 · Mathematics: Estimation, Measurement, and Statistical Principles

A classroom is 30 feet long and 24 feet wide. Carpet costs $3 per square foot. How much will it cost to carpet the room?

  • A. $2,160
  • B. $720
  • C. $324
  • D. $162
Show the answer
A. $2,160

Area = 30 × 24 = 720 square feet, and 720 × $3 = $2,160.

Question 4 · Mathematics: Estimation, Measurement, and Statistical Principles

Which is the best estimate of 49 × 31?

  • A. 150
  • B. 1,500
  • C. 15,000
  • D. 2,000
Show the answer
B. 1,500

Rounding to 50 × 30 gives 1,500; the exact product is 1,519.

Question 5 · Mathematics: Estimation, Measurement, and Statistical Principles

In a random survey of 40 students at a school, 14 said they own a cat. The school has 600 students. Based on the survey, about how many students at the school own a cat?

  • A. 210
  • B. 140
  • C. 35
  • D. 240
Show the answer
A. 210

14/40 = 35%, and 35% of 600 = 210.

Get a new question every weekday

Daily CBEST practice by email. Cancel any time.