What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Why is the Hole below a Lock?

Find the next number in the sequence

5 12 24 36 ?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Which digit occurred maximum times between the number 1 and 1000?

What month of the year has 28 days?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?