Which of the following statements is/are true about residual and secondary risks? (1) There will always be residual risk

[answerhappygod]

Which of the following statements is/are true about residual and
secondary risks?
(1) There will always be residual risks, but not necessarily
secondary risks.
(2) Secondary risks cannot be avoided whereas residual risks can
be.
(3) Both of these risks are the results of some risk response
strategies.
a. (1) only.
b. (2) only.
c. (1) and (3) only.
d. (1), (2) and (3)
Which of the following can be used in developing the critical
path of a project?
a. Quality control chart b. Gantt chart c. Weighted scoring
method d. Project charter