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?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What does the below rebus puzzle mean?

Solve the following series:
AZ, GT, MN, __, YB

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

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?

Which tank will fill first?

Why do we preferably have round manhole covers and not square ones?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.