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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Can you write down eight eights so that they add up to one thousand?

Can you Find and name the hidden bird in the picture below ?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Can you find a rabbit in the given picture?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

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.

People put me on the table and cut me but do not eat me. What am I?

Find the next number in the series.
1 10 24 43 67 ?