Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you find the key in the picture below?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

What does a man do only once in his lifetime, but women do once a year after they are 29?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?