Which tank will fill first?

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?

Two men play a dice game involving roll of two standard dice. Man X says that a 12 will be rolled first. Man Y says that two consecutive 7s will be rolled first. The men keep rolling until one of them wins.

What is the probability that X will win ?

Count the squares in the matchstick puzzle below?

Which is faster, Heat or Cold ? Explain.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

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

I am sometimes honest
Sometimes dishonest
I can be sweet and also bitter
I can hurt you real bad and
also make u smile and blush ☺️
What am I?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

The more it dries, the wetter it becomes. Can you tell what it is?