John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

I am an odd number. Take away a letter and I become even. What number am I?

Why is Saturday stronger than Monday?

In the formation, you can see a few arranged matchsticks. Can you form three squares by moving just three matchsticks?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

When 99 is considered higher than 100?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Count the number of balls in picture below:

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?