You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What is wrong in the below Picture?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What does this Rebus Picture mean?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Prove that the below maths equation is true.

8 + 8 = 91

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?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).