Week 0 Quiz 💡

1. What are the prime factors of the number 124

• 2,62
• 2,31 ✅
• 1,124
• None of the above

2. What is the Lowest Common multiple of 5,15

• 5
• 10
• 15 ✅
• 20

3. A car traveled 281 km in 4 hours 41 minutes. What was the average speed of the car in km per minute?

• 1 ✅
• 2
• 3
• 4

4. The length of a rectangle is four times its width. If the area is 100m2 what is the width of the rectangle?

• 10
• 5 ✅
• 4
• 6

5. The length of a rectangle is increased to 2 times its original size and its width is increased to 3 times its original size. If the area of the new rectangle is equal to 1800 square meters, what is the area of the original rectangle?

• 1200 square meters
• Remains same
• 300 square meters ✅
• 200 square meters

6. Water is being pumped out , at a constant rate, from an underground storage tank that has a height 5 Meters. Which of the graphs below best represent the changes in the height of water in the tank as a function of the time (X axis - Time, Y axis - Height)?

• ✅

• 
• 
• 

7. Rama drove at a constant speed for 2 hours. He then stopped for an hour to do some shopping and have a rest and then drove back home driving at a constant speed. Which graph best represents the changes in the distance from home as Rama was driving (X axis - Time, Y axis - Distance)?

• 

• ✅

• 
• 

8. In a certain college, 40% of a class are taking Physics, 30% are taking calculus and 10% are taking both. If 40 students are enrolled in the class, how many students are taking neither Physics nor calculus?

• 12
• 4
• 8
• 16 ✅

9. The circumference of a circle inscribed inside a square with a side of 20 meters.

• 10π
• 10√2π
• 20π ✅
• 20√2π

10. Two different schools (A and B) have the same number of pupils. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. Find the ratio of the boys in school A to the girls in school A.

• 1:4
• 1:5
• 2:5
• 1:2 ✅