What famous saying does this rebus mean?

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Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

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

Who am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?