We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Find the missing number in the image below.

Find the number of squares in the below-given picture.

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Why are all black people so quick ?

Can you find out the total number of triangles in the given figure?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?