Can you find out which number multiplied by itself will give the output as 12345678987654321?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

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

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

Take away the whole and some still remain. What is it?

Can you solve this picture maths equation?

Before Mount Everest was discovered, what was the highest mountain in the world?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Which English verb becomes past tense just by rearranging the letters?