Can you count the number of triangles in the picture below?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

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?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

Which alphabet letter is a question?

If eleven plus two equals one, what does nine plus five equal?

Can you replace the question mark with the correct number?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.