If 'MANGO' is coded as 'PLQJZ' and 'GRAPE' is coded as 'TQWZK', what is the code for 'APPLE'?

A. ZQKOV

A store sells pencils for $0.50 each and erasers for $0.75 each. If a student buys a total of 10 items for $6.00, how many pencils did the student buy?

B. 6
Posted in:  Linear Equations -  Algebra -  Mathematics

In the sequence 2, 4, 6, 8, 10, 12, 14, how many times does the number 8 occur?

A. 1

In a coding scheme, 'TABLE' is coded as 'GHIJK' and 'CHAIR' as 'LMNOP'. How is 'SHELF' coded?

A. XYZAB

In the sequence 7, 14, 21, 28, 35, 42, how many times does the number 21 occur?

B. 1