During which month do people sleep the least?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

John had a bag containing colourful marbles. The colours are red, green and blue. The total number of marbles he had in his bag was 60. There are 4 times as many red marbles as green marbles. 6 more blue marbles than green marbles. How many marbles of each colour did John have?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

How many sides does a circle have?

Do you see only foxes? It’s time for you to unlock the superpowers to find the baby squirrel hidden in the picture.

A car key is hidden in the picture. Can you spot it.? Quickly test your eye power now!

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?