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?

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

When it is alive we sing, when it is dead we clap our hands. What is it?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can you write down eight eights so that they add up to one thousand?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?