## Online Mathematics Pop Quiz for the week of 11.Nov.2013

6 problems:

1. If x = 8, then what is 5x + 11?

2. If 7x + 1 = 50, then what is x?

3. In the following list are 3 numbers in arithmetic progression. What is their sum?

list: 1, 4, 8, 9, 10, 15, 16

4. If a geometric progression has first term 1020 and constant ratio 1/5, what is the

sum of all the terms in the progression?

5. What is the sum of the first 103 odd numbers?

6. What is the remainder when 38181817254 is divided by 9?

Answers

(go to menu of online mathematics pop quizes)

1. If x = 8, then what is 5x + 11?

2. If 7x + 1 = 50, then what is x?

3. In the following list are 3 numbers in arithmetic progression. What is their sum?

list: 1, 4, 8, 9, 10, 15, 16

4. If a geometric progression has first term 1020 and constant ratio 1/5, what is the

sum of all the terms in the progression?

5. What is the sum of the first 103 odd numbers?

6. What is the remainder when 38181817254 is divided by 9?

Answers

(go to menu of online mathematics pop quizes)