Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

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?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Can you find the dog hidden in a group of pandas?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Count the number of lines in the image below ?

Can you replace the question mark with the correct number in the below table sequence?