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 have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

If eleven plus two equals one, what does nine plus five equal?

I taste better than I can smell. Who am I?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

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

What has 13 hearts but no other organs?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?