Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

What goes up but never comes down?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

In the four images below, can you find the odd one out?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What work can one never finish?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?