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 can be cracked, made, told, and played. What am I?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

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

What kind of tree can you carry in your hand?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What can go up a chimney down, but can’t go down a chimney up?

What does does this rebus picture means ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?