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?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

what does the below math rebus puzzle mean?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Can you count the number of triangles in the given figure?

Can you find a five letter word that is left with only two letters if one is removed?

What does this mathematical rebus means ?

What does the below mathematical rebus mean?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?