DOUBTS IN 2009 SSS

[Iman]

WHAT ARE D ANSWERS OF 5,8,9???

[sakshi]

5 d
8 c
9 b
what about 14 , 16, 17, 23

[Iman]

14e,16d,17b, 23d

[Iman]

wat about 19 n 24????

[taanya]

can u help me out with this??
1) X & y are two statements.If we know x implies y then
a.X true, then Y also true
b.X false, then Y is false
c.Y true, then X is true
d.Y false, then X is false

2)X,Y,Z are statements and X implies Y,Y implies Z. also X is false, then
a.Y is true, Z is false
b.Y is false,Z is true
c.both Y and Z are false
d. None of above