What you cannot hold but it is yours?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

There are forty elephants and they have forty-fore heads. How can this be possible?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

Can you solve the below algebraic mathematical equation?

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

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?