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

I have eight fingers and two thumbs but I do not live. What Am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Which is the rope you never skip with?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Rihana, Peeta, and Logan order a pizza for $10. Out of the three, Rihana and Peeta were quite hungry and ate 6 slices a piece, while Logan had just 2 slices.

Now, they want to split the cost among them fairly but due to the lack of change, they decide to round off the cost to the nearest possible dollar.

Can you find out the fairway which should be used to split the money?

What if the pizza was worth $11?

What's a single-digit number with no value?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

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?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?