Can you start the fire using two pieces of wood?

Prove that the below maths equation is true.

8 + 8 = 91

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

why number 8549176320 is one of a kind?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?