Find the Number of Pearls Today is a very special day. It’s the birthday of only one girlfriend of programmer Shojib. Now, you... |
How Many Kids Are in the Circle? A group of kids are standing in a circle and playing catch the ball. For fair play, they always main... |
Save Sherlock's Friend Sherlock and Dr. Watson are investigating a very rare case in China. Suddenly in the middle of the i... |