What has 13 hearts but no other organs?

How many times can you subtract the number 5 from 25?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

What month of the year has 28 days?

Can you name some countries which do not have the alphabet 'A' in them?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

You need to remove four matchsticks from the picture below and still need to maintain the following as in the original image.
1. 1st row contains 12 matchsticks
2. 2nd row contains 12 matchsticks
3. 1st column contains 12 matchsticks
4. 2nd column contains 12 matchsticks

Can you solve below mathematical equation?

2^1234 - 2^1233