When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

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

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

What is the coolest letter in the alphabet?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?