What goes up but never comes down?

Prove that the below maths equation is true.

8 + 8 = 91

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What does this simple rebus mean?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Find the next number in the sequence

1, 2, 6, 21, 88, __?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

The Little ant seems to be always confused. Do you know why?