Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

Make a sentence consisting of three words that have the whole alphabet.

Replace the question mark with the number below given a simple math problem.

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Can you count the number of triangles inside a triangle?

Can you arrange the six given marbles in a manner that each one of them is touching all four marbles of different colours?

You can see three almost identical images below. Can you spot the odd one out from them?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Which tank will fill first?