Four of the following are alike in some way. Please select the other two which are not.

Pauline swam for 100 seconds at a speed of 2.5 m/s. Then, she swam for another 100 seconds at a speed of 1.5 m/s. Find Pauline’s average speed.

Jessica has 1,135 beads. 604 beads are red and the rest are blue. How many blue beads does she have?

Jessie runs at a constant rate of 7 meters per second. At the beginning of a race, she is 350 meters from the finish line. How long will it take Jessie to reach the finish line?

An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?

The area of a circle can be determined by which of the following formulas?

A magician bough a rabbit for $60 and a pigeon for $70. How much is the pigeon more expensive than the rabbit in percentage?

Marcus has 700 marbles. He gave away 175 marbles and put the remaining marbles equally into 5 bags. How many marbles were in each bag?

Find the value of x when: 2x = 17 + 2

As a Christmas present, Ben gave his two sons $2,000, which he divided between them in a ratio of 2:3. How much did the son receiving the larger portion get?

Susan has 400 sheets of paper. She gives 5 sheets of paper to every student in a class. There are 62 students in the class. How many sheets of paper does she have left?

924 – 536 =

43 x 11 =

James and Ken donated $2,300 to a charitable organization. Ken donated $658. How much did James donate?

A real estate agent received a 6% commission on the selling price of a house. If his commission was $8,880, what was the selling price of the house?

Luke wants to buy a CD player that cost $56 including tax. He gets $10 a week for his allowance. He spends $3.50 a week and saves the rest. How many weeks will it take him to save enough money to buy the CD player?

Betty needs 2,245 g of sugar to bake some cookies. She has 4 packets of sugar. The mass of each packet of sugar is 500g. How much more sugar does she need?

A bus traveling at an average rate of 50 kilometers per hour made the trip to town in 6 hours. If it had traveled at 30 kilometers per hour, how many more minutes would it have taken to make the trip?

A jacket costs 3 times as much as a pair of shoes. If the pair of shoes cost $56, what is the total cost of the jacket and the pair of shoes?

An airplane flying at an altitude of 32,000 feet descends at a rate of 1,300 feet per minute. If the plane descends for 15 minutes, what would its altitude be in feet?