I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Find the number of squares in the below-given picture.

81 x 9 = 801. What must you do to make the this equation true?

Why blonde cannot dial 911?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Count the squares in the matchstick puzzle below?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

When is the top of a mountain similar to a savings account?