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

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Can you count the number of quadrilaterals in the picture below?

Find the missing letter in the last circle logically in the given below picture.

Identify The phrase in the picture.

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

What does below chemistry rebus means?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What is harder to catch the faster you run?