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?

What can you deduce from the following BrainBat?

CRY
LMKI

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

What does this rebus photo means?

Which alphabet is a part of our body?

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

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Why is the longest human nose just 11 inches?