What is the output of Math.ceil(5.4)+Math.ceil(4.5)?

1. 10.0
2. 11.0
3. 12.0
4. 9.0

Which of the following mathematical methods returns only an integer?

1. Math.ceil(n)
2. Math.sqrt(n)
3. Math.floor(n)
4. Math.round(n)

Write the java statement for:

Sum of a raised to b and cuberoot of c