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

Using Only Five 5's and any mathematical operator make sum as 37

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What is full of holes but still holds water?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

What is the difference between a jeweller and a jailer?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?