Q.1.
Blackpool Tower is 158.1 metres tall. The tallest building in the world (the Burj Khalifa in Dubai) is 5.237 times taller. How high is the Burj Khalifa to the nearest metre?
Q.2.
6 cars raced at average speeds of 74 mph for 3 hours. What is the total distance travelled by all 6 cars?
Q.3.
A machine in a factory makes 40 circuit boards every 2 minutes. How many circuit boards can the machine make in an 8-hour shift?
Q.4.
A sweetshop owner is filling up jars with bonbons. If each jar can hold 352 bonbons, how many jars will the sweetshop owner need for 3,000 bonbons?
Q.5.
The number of bacteria in a Petri dish doubles every 20 minutes. If there is are 2 bacteria to begin with, how many will be in the Petri dish after 2 hours?
Q.6.
The circumference of a wheel is 150 cm. How far will it travel if it makes 2,000 complete revolutions (turns)?
Q.7.
If the area of a square room is 81 square feet, what is the length and width of the room?
Q.8.
A builder ordered a tonne of bricks. If she received 400 bricks, how heavy is one brick?
Q.9.
The French writer Jules Verne wrote the adventure novel 'Around the World in Eighty Days'. If the distance around the world is 24,000 miles, how many miles would one have to travel per day (on average) to complete the journey in 80 days?
Q.10.
There are 7 days in a week. How many weeks are there in 3,640 days?