**(11)** What is the sum of the first 10 even numbers?

- (a) 100
- (b) 110
- (c) 120
- (d) 90

**(12)** If the 7th term of an arithmetic sequence is 58 and the common difference is 3, what is the first term?

- (a) 40
- (b) 34
- (c) 37
- (d) 43

**(13)** What is the 5th term of a geometric sequence where the first term is 2 and the common ratio is 4?

- (a) 256
- (b) 128
- (c) 512
- (d) 1024

**(14)** If the product of a number and 3 is 72, what is the number?

- (a) 24
- (b) 36
- (c) 18
- (d) 30

**(15)** What is the least common multiple (LCM) of 8 and 12?

- (a) 48
- (b) 24
- (c) 36
- (d) 96