If '?' represents addition, '?' represents subtraction, and '?' represents multiplication, what is the result of 5 ? 3 ? 2 ? 4?

B. 9

In a certain code, the word 'HELLO' is coded as '8-5-12-12-15'. What is the code for 'WORLD'?

A. 23-15-18-12-4

Which of the following is a synonym for 'quick'?

B. FAST
Posted in:  Synonyms -  Vocabulary -  English

If 'ZEBRA' is coded as '26-5-2-18-1', what is the code for 'LION'?

A. 12-9-15-14

What is the solution to the system of equations: 2x + 3y = 6 and 4x - y = 5?

A. (1, 2)
Posted in:  Linear Equations -  Algebra -  Mathematics