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?

Solve the equation in the image by looking at the pattern closely.

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

What goes through cities and fields, but never moves?

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits