Prove that twice of ten is the same as twice of eleven.

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What jumps when it walks and sits when it stands?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?