test 4

If 50% of a number is 20, what is 75% of the number?

1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 0f 1,000?

Kapil (of the Comedy Nights) had some change in his pocket. After his friend gave him $0.45, Kapil had $1.35 altogether. Which equation can he use to find the original amount of money, m, he had in his pocket?

Dale Steyn has 10 black, 12 white, and 3 brown pairs of socks in one drawer. What is the probability that, without looking, Steyn will pick a brown pair of socks from the drawer?

A (non-ugly- though what defines ugly?) duckling flew at 18 miles per hour for 3 hours, then at 15 miles per hour for 2 hours. How far did the duckling fly in all?

Messi wants to find out the most popular football team at a game between the home team and the visiting team. Which of the following methods will give him the most accurate results?

A class of 44 students is divided into 4 groups. Each group contains at least 2 students.
Which of the following statements is true?

It takes a machine 12 minutes to fill 200 bottles of cinnamon-roll-flavoured milk. At this rate, how many minutes will it take the machine to fill 500 bottles of this milk?

Imagine, the dragon, has a large container in which four different kinds of coins are thoroughly mixed. She wants to take a sample of her coins to estimate which kind of coin she has the most. Which of the following methods is the best way for her to select a sample?

Coco Chanel wants to finish typing her Physics paper before class starts. If she still has 550 words left to type and class starts in 25 minutes, at least how fast must Coco Chanel type to finish her paper on time?

In his pocket, Robert Downey Jr. has 2 red marbles, 2 green marbles, and 2 blue marbles that are all the same size. If Mr. Downey Jr. picks one marble out of his pocket without looking, what is the probability that it will be either red or green?

Elsa’s resting heart rate is 50 beats per minute (unlike her sister’s, which was 0 at one point). For every minute she exercises, her heart rate increases 5 beats per minute. How long will it take her to reach a heart rate of 120 beats per minute?

The Pavlova family went on a vacation. They started with $2000. If they spent $150 each day, which expression represents how much money they had after x days?

52+ [6-(3+2)]=?

Which expression is equivalent to 8a⁶÷2a³?

The distance a stainless steel spring stretches varies directly with the force applied to it. If a 7-pound weight stretches a spring a distance of 24.5 inches, how far will the spring stretch if a 12-pound weight is applied?

How many millimeters are in 20 centimeters?

What value of x makes the equation below true?
x/9 + 6 = 8

Which expression below has the same value as x?

Djokovic was eating some ravioli with Murray. Which 3 numbers have the same answer whether they’re added or multiplied together?