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?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

There is a place where if I stand up straight, I will still be considered sideways.

Can you find the six hidden animals in the picture below?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

It belongs to you, but other people use it more than you do. What is it?

What is at the end of a rainbow?

What is next number in the pattern below:

131 517 192 123 ?