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?

What have one eye but still cannot see?

I cannot talk, but I always reply when spoken to. What am I?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

If it took eight men ten hours to build a wall, how long would it take four men to build it?

I am quite hot but become too cold if you remove the first two letters. What am I?

Can you identify if it's a murder or a suicide ?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *