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

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Our product and our sum always give the same answer. Who are we?

How many triangles are there in the picture below?

John's five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.

Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E

Mathematically
B*C*D = 1260
B + C + D = 2E
2A = E

The road numbers run from 2 to 222.

Can you tell me the house number of each of John's friends?

Why is it very easy to weigh a fish?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?