One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What has 13 hearts but no other organs?

How can you make number one disappear by adding something to it?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

Can you find out the remainder when 3^300 is divided by 5?

What occurs twice in a week, once in a year but never in a day?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

The dirtier I get, the whiter I look. Who am I?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?