What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What's the only room from which no one can enter or leave

Can you find the company name in the pictogram below?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What kind of band never plays music?