Infosys
1. If f(x) = ¦(x² – 50)¦, what is the value of f(-5)?

2. Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 55 small cakes per hour. The kitchen is available for 3 hours and 80 large cakes and 800 small cakes are needed. How many helpers are required?

3. If f(a) = (a + 2) / (a-2) for all integers except a=2, which of the following has the greatest value?

4. A perfect cube is an integer whose cube root is an integer. For example, 34, 46 and 678 are perfect cubes. If p and q are perfect cubes, which of the following will not necessarily be a perfect cube?

5. A piece of ribbon 6 yards long is used to make bows requiring 42 inches of ribbon for each. What is the maximum number of bows that can be made?