Difficulty ★★☆☆☆ Popularity ★★★★★

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kitten, cats, sacks, wives. How many were going to St. Ives?

Difficulty ★☆☆☆☆ Popularity ★★★★★

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

Difficulty ★★★☆☆ Popularity ★★★★★

British Police inspects a room where there is no windows,no doors,no tables and is almost empty expect there is just a puddle of water. They found a dead women who obviously hung herself from the ceiling, but they are not able to figure out how this had happen.

Sherlock and John Watson entered the crime scene and easily able to solve the case.

How did the women die ?

Difficulty ★★★★★ Popularity ★★★★★

You are given a set of scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other.

The 12 marbles appear to be identical. In fact, 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more.

Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light.

Difficulty ★★★☆☆ Popularity ★★★★★

A frog fell on a bottom of the well.

The well is 30 feet deep.

During day time, the frog jumps 5feet while at night when the frog sleeps he slip back 4feet.

In how many days frog will come out from the well ?

Difficulty ★★☆☆☆ Popularity ★★★★★

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Difficulty ★★★☆☆ Popularity ★★★★★

I drive at an average speed of 30 miles per hour to the railroad station each morning and just catch my train. On a particular morning there was a lot of traffic and at the halfway point I found I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

Difficulty ★★☆☆☆ Popularity ★★★★★

I have 100 coins in my wallet.

What is the minimum number of coin(s), i would be required in order to make sure each coin touched exactly three other coins.

Difficulty ★★☆☆☆ Popularity ★★★★★

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Difficulty ★★★★☆ Popularity ★★★★★

Why is 6 afraid of 7?