If 2x - 1 = 9 then what is 10x - 5?

Muslim High School has 840 students, and the ratio of the number of students taking Spanish to the number not taking Spanish is 4:3. How many of the students take Spanish?

A. 280

B. 360

C. 480

D. 560

E. 630

Of the 200 seniors at Millat High School, exactly 40 are in the band. 60 are in the orchestra, and 10 are in both. How many students are in neither the band nor the orchestra?

A. 130

B. 110

C. 100

D. 140

E. 160

Consider the sequence 1, 2, 3, 1, 2, 3, 1, 2, 3,…….. What is the sum of the first 100 terms?

A. 100

B. 180

C. 198

D. 199

E. 200

A googol is the number that is written as 1 followed by 100 zeros. If g represents a googol, how many digits are there in g2.

A. 102

B. 103

C. 199

D. 201

E. 202

When a gymnast competes at the Olympics, each of six judges awards a score between 0 and 10. The highest and lowest scores are discarded, and the gymnast’s final mark is the average (arithmetic mean) of the remaining scores. What would be a gymnast’s mark if the judges’ scores were 9.6, 9.4, 9.5, 9.7, 9.2, and 9.6?

A. 9.5

B. 9.525

C. 9.55

D. 9.575

E. 9.6