A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

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.

Find the smallest sentence with all the English alphabet.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What English word has three consecutive double letters?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Spot what is wrong here in below Picture?

I have Rs.50 and I spend it in the way as below.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

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.