Find the hidden tiger in the given optical illusion ?

I know a nine-letter word having only one vowel.
Do you ?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

what does this picture(rebus) riddle means ?

What jumps when it walks and sits when it stands?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I can write cow in 13 letters.

Can You?