Cristina was born in 1888. She just had her 30th birthday today how did that happen?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Remove two matchsticks to make the below equation correct.

How many triangles can you count in the figure given?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?