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?

A sundial has the fewest moving parts of any timepiece. Which has the most?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Find the 8 in the below-given Image.

Can you solve this picture maths equation?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Which wheel of car does not rotate when you turn your car right?

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?