I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Identify the hidden meaning behind this picture?

Why 1729 is a magic number? Answer Logically.

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

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?