A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

What is the last thing you take off before bed?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

What runs around the whole yard without moving?

What is next number in the pattern below:

131 517 192 123 ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Can you fill the blank with the correct number?

6 30 870 756030 _____