Find the next number in the series.
1 10 24 43 67 ?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

What does does this rebus picture means ?