What question can you never answer yes to?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Which tank will fill first?

A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

What is black when you buy it, red when you use it, and gray when you throw it away?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

What does below pictogram mean?

What do you answer even though it never asks you questions?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?