Can you find out what is missing?
1 3 5
2 4 ?
Hint: It's not six. Think out of the box.
I have Rs.50 and I spend it in the way as below.
If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.
Why is the Hole below a Lock?
An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?
A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.
This process kept repeating till it fell on the last leaf losing 1/75th of its volume.
Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?
Thereâ€™s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?
What is the Surname of Barbie Doll?
When can we add 2 to 11 and get 1 as the correct answer?
I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?
Can you find out the next digit in the following series ?
0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?
In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki