By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

If 21x = 79x, what is the value of x?

What has 13 hearts but no other organs?

You see me once in June, twice in November, and not at all in May. What am I?

How many triangles can you find in this given picture?

Find the smallest sentence with all the English alphabet.

You can win me and lose me but never buy me
You can not eat me and never want to part with me
I can make you cry or bring you joy
I am not a machine and definitely not a toy
You keep me but i am not forever just yours
You might find me in a case or on a shelf next to a vase
I am hard and i am tall if you bump me i am sure to fall
I am made of different materials and am at many events
If your lucky and fight hard I might be yours
What am I ?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59