What does below rebus means ?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

How far can you walk into the woods?

How can you make a TV, a bed, a dog, and a car liquid?

What's the only room from which no one can enter or leave

What can you see in the middle of March and April that you can never see in any other month?

The current time can be represented by below textual rebus.

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B.Sc
LLB

Can you tell us the current time?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Buy me, smell me or deliver me, I do not change.

Who am I?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?