When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

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?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What has one letter and starts with an E?

What does does this rebus picture means ?